diff --git a/README.md b/README.md
index 49dcf650e..745b3afcc 100644
--- a/README.md
+++ b/README.md
@@ -66,4 +66,4 @@ are easily accomplished with the `Continue With` control that operates on filter
 ## License
 
 Icinga DB Web and the Icinga DB Web documentation are licensed under the terms of the
-[GNU General Public License Version 2](LICENSE).
+[GNU General Public License Version 2](LICENSE) or later.
diff --git a/application/clicommands/MigrateCommand.php b/application/clicommands/MigrateCommand.php
index 74b4ac4a9..e6fbc3eae 100644
--- a/application/clicommands/MigrateCommand.php
+++ b/application/clicommands/MigrateCommand.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2023 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2023 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Clicommands;
 
diff --git a/application/controllers/CommandTransportController.php b/application/controllers/CommandTransportController.php
index fe005375e..d047f5721 100644
--- a/application/controllers/CommandTransportController.php
+++ b/application/controllers/CommandTransportController.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Controllers;
 
diff --git a/application/controllers/CommentController.php b/application/controllers/CommentController.php
index 88d3aea39..4dd842937 100644
--- a/application/controllers/CommentController.php
+++ b/application/controllers/CommentController.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Controllers;
 
diff --git a/application/controllers/CommentsController.php b/application/controllers/CommentsController.php
index b1995f63b..6395a231a 100644
--- a/application/controllers/CommentsController.php
+++ b/application/controllers/CommentsController.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Controllers;
 
diff --git a/application/controllers/ConfigController.php b/application/controllers/ConfigController.php
index 182b7b664..aae7a2761 100644
--- a/application/controllers/ConfigController.php
+++ b/application/controllers/ConfigController.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Controllers;
 
diff --git a/application/controllers/ContactController.php b/application/controllers/ContactController.php
index 3115fb10e..930f6cd4b 100644
--- a/application/controllers/ContactController.php
+++ b/application/controllers/ContactController.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Controllers;
 
diff --git a/application/controllers/ContactgroupController.php b/application/controllers/ContactgroupController.php
index 22fcf4c76..5db226262 100644
--- a/application/controllers/ContactgroupController.php
+++ b/application/controllers/ContactgroupController.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Controllers;
 
diff --git a/application/controllers/ContactgroupsController.php b/application/controllers/ContactgroupsController.php
index 7fbc18adc..480fa046f 100644
--- a/application/controllers/ContactgroupsController.php
+++ b/application/controllers/ContactgroupsController.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Controllers;
 
diff --git a/application/controllers/ContactsController.php b/application/controllers/ContactsController.php
index 1541b3fef..73806f29f 100644
--- a/application/controllers/ContactsController.php
+++ b/application/controllers/ContactsController.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Controllers;
 
diff --git a/application/controllers/DowntimeController.php b/application/controllers/DowntimeController.php
index f460e69a1..9fc3bf737 100644
--- a/application/controllers/DowntimeController.php
+++ b/application/controllers/DowntimeController.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Controllers;
 
diff --git a/application/controllers/DowntimesController.php b/application/controllers/DowntimesController.php
index 90a3eddd5..bc9a31587 100644
--- a/application/controllers/DowntimesController.php
+++ b/application/controllers/DowntimesController.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Controllers;
 
diff --git a/application/controllers/ErrorController.php b/application/controllers/ErrorController.php
index 38621c01b..52701433d 100644
--- a/application/controllers/ErrorController.php
+++ b/application/controllers/ErrorController.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Controllers;
 
diff --git a/application/controllers/EventController.php b/application/controllers/EventController.php
index ae3256215..b79247476 100644
--- a/application/controllers/EventController.php
+++ b/application/controllers/EventController.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Controllers;
 
diff --git a/application/controllers/HealthController.php b/application/controllers/HealthController.php
index 52ba220ed..1cf642fd8 100644
--- a/application/controllers/HealthController.php
+++ b/application/controllers/HealthController.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Controllers;
 
diff --git a/application/controllers/HistoryController.php b/application/controllers/HistoryController.php
index 08a96889b..ee7f8b9cb 100644
--- a/application/controllers/HistoryController.php
+++ b/application/controllers/HistoryController.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Controllers;
 
diff --git a/application/controllers/HostController.php b/application/controllers/HostController.php
index ec1ca0cd4..3ca006572 100644
--- a/application/controllers/HostController.php
+++ b/application/controllers/HostController.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Controllers;
 
diff --git a/application/controllers/HostgroupController.php b/application/controllers/HostgroupController.php
index 3967acc51..1a6b1c6ae 100644
--- a/application/controllers/HostgroupController.php
+++ b/application/controllers/HostgroupController.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Controllers;
 
diff --git a/application/controllers/HostgroupsController.php b/application/controllers/HostgroupsController.php
index fd8ac1751..dcecc0d8d 100644
--- a/application/controllers/HostgroupsController.php
+++ b/application/controllers/HostgroupsController.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Controllers;
 
diff --git a/application/controllers/HostsController.php b/application/controllers/HostsController.php
index 3dbe2688a..5a5e2a279 100644
--- a/application/controllers/HostsController.php
+++ b/application/controllers/HostsController.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Controllers;
 
diff --git a/application/controllers/NotificationsController.php b/application/controllers/NotificationsController.php
index ba805a5a0..234ea4f60 100644
--- a/application/controllers/NotificationsController.php
+++ b/application/controllers/NotificationsController.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Controllers;
 
diff --git a/application/controllers/RedundancygroupController.php b/application/controllers/RedundancygroupController.php
index e81ff874d..cd6936594 100644
--- a/application/controllers/RedundancygroupController.php
+++ b/application/controllers/RedundancygroupController.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2024 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2024 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Controllers;
 
diff --git a/application/controllers/ServiceController.php b/application/controllers/ServiceController.php
index 20a5d7d70..8aee95863 100644
--- a/application/controllers/ServiceController.php
+++ b/application/controllers/ServiceController.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Controllers;
 
diff --git a/application/controllers/ServicegroupController.php b/application/controllers/ServicegroupController.php
index da887f890..0e2f138d1 100644
--- a/application/controllers/ServicegroupController.php
+++ b/application/controllers/ServicegroupController.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Controllers;
 
diff --git a/application/controllers/ServicegroupsController.php b/application/controllers/ServicegroupsController.php
index c650f0f36..6ebbb2462 100644
--- a/application/controllers/ServicegroupsController.php
+++ b/application/controllers/ServicegroupsController.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Controllers;
 
diff --git a/application/controllers/ServicesController.php b/application/controllers/ServicesController.php
index 743e7e712..ff71f20cf 100644
--- a/application/controllers/ServicesController.php
+++ b/application/controllers/ServicesController.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Controllers;
 
diff --git a/application/controllers/SuggestController.php b/application/controllers/SuggestController.php
index 243c3e75b..eb9bb0f77 100644
--- a/application/controllers/SuggestController.php
+++ b/application/controllers/SuggestController.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2025 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2025 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Controllers;
 
diff --git a/application/controllers/TacticalController.php b/application/controllers/TacticalController.php
index b8d3757b1..f3725bc9b 100644
--- a/application/controllers/TacticalController.php
+++ b/application/controllers/TacticalController.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Controllers;
 
diff --git a/application/forms/ApiTransportForm.php b/application/forms/ApiTransportForm.php
index 27c147baf..70c044ac9 100644
--- a/application/forms/ApiTransportForm.php
+++ b/application/forms/ApiTransportForm.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Forms;
 
diff --git a/application/forms/Command/CommandForm.php b/application/forms/Command/CommandForm.php
index 49a05657f..a07e48280 100644
--- a/application/forms/Command/CommandForm.php
+++ b/application/forms/Command/CommandForm.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Forms\Command;
 
diff --git a/application/forms/Command/Instance/ToggleInstanceFeaturesForm.php b/application/forms/Command/Instance/ToggleInstanceFeaturesForm.php
index 86c0bd195..b4a7d2431 100644
--- a/application/forms/Command/Instance/ToggleInstanceFeaturesForm.php
+++ b/application/forms/Command/Instance/ToggleInstanceFeaturesForm.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Forms\Command\Instance;
 
diff --git a/application/forms/Command/Object/AcknowledgeProblemForm.php b/application/forms/Command/Object/AcknowledgeProblemForm.php
index dd6a1a13f..76cc86c3c 100644
--- a/application/forms/Command/Object/AcknowledgeProblemForm.php
+++ b/application/forms/Command/Object/AcknowledgeProblemForm.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Forms\Command\Object;
 
diff --git a/application/forms/Command/Object/AddCommentForm.php b/application/forms/Command/Object/AddCommentForm.php
index 9f4ee20fb..f5f35c23b 100644
--- a/application/forms/Command/Object/AddCommentForm.php
+++ b/application/forms/Command/Object/AddCommentForm.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Forms\Command\Object;
 
diff --git a/application/forms/Command/Object/CheckNowForm.php b/application/forms/Command/Object/CheckNowForm.php
index 9d278b9d5..1b292907e 100644
--- a/application/forms/Command/Object/CheckNowForm.php
+++ b/application/forms/Command/Object/CheckNowForm.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Forms\Command\Object;
 
diff --git a/application/forms/Command/Object/DeleteCommentForm.php b/application/forms/Command/Object/DeleteCommentForm.php
index 8a725478c..ac1cf97d5 100644
--- a/application/forms/Command/Object/DeleteCommentForm.php
+++ b/application/forms/Command/Object/DeleteCommentForm.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Forms\Command\Object;
 
diff --git a/application/forms/Command/Object/DeleteDowntimeForm.php b/application/forms/Command/Object/DeleteDowntimeForm.php
index 3ee6a0627..7ef1b23f9 100644
--- a/application/forms/Command/Object/DeleteDowntimeForm.php
+++ b/application/forms/Command/Object/DeleteDowntimeForm.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Forms\Command\Object;
 
diff --git a/application/forms/Command/Object/ProcessCheckResultForm.php b/application/forms/Command/Object/ProcessCheckResultForm.php
index fa9833a03..cb2100b09 100644
--- a/application/forms/Command/Object/ProcessCheckResultForm.php
+++ b/application/forms/Command/Object/ProcessCheckResultForm.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Forms\Command\Object;
 
diff --git a/application/forms/Command/Object/RemoveAcknowledgementForm.php b/application/forms/Command/Object/RemoveAcknowledgementForm.php
index 44edae41f..f96ee7269 100644
--- a/application/forms/Command/Object/RemoveAcknowledgementForm.php
+++ b/application/forms/Command/Object/RemoveAcknowledgementForm.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Forms\Command\Object;
 
diff --git a/application/forms/Command/Object/ScheduleCheckForm.php b/application/forms/Command/Object/ScheduleCheckForm.php
index d1edc3abf..54b6c0e7a 100644
--- a/application/forms/Command/Object/ScheduleCheckForm.php
+++ b/application/forms/Command/Object/ScheduleCheckForm.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Forms\Command\Object;
 
diff --git a/application/forms/Command/Object/ScheduleHostDowntimeForm.php b/application/forms/Command/Object/ScheduleHostDowntimeForm.php
index 841cf75a6..96cda56ce 100644
--- a/application/forms/Command/Object/ScheduleHostDowntimeForm.php
+++ b/application/forms/Command/Object/ScheduleHostDowntimeForm.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Forms\Command\Object;
 
diff --git a/application/forms/Command/Object/ScheduleServiceDowntimeForm.php b/application/forms/Command/Object/ScheduleServiceDowntimeForm.php
index be3944069..854b4ac5e 100644
--- a/application/forms/Command/Object/ScheduleServiceDowntimeForm.php
+++ b/application/forms/Command/Object/ScheduleServiceDowntimeForm.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Forms\Command\Object;
 
diff --git a/application/forms/Command/Object/SendCustomNotificationForm.php b/application/forms/Command/Object/SendCustomNotificationForm.php
index d8dabd6d7..b3ab9f1cf 100644
--- a/application/forms/Command/Object/SendCustomNotificationForm.php
+++ b/application/forms/Command/Object/SendCustomNotificationForm.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Forms\Command\Object;
 
diff --git a/application/forms/Command/Object/ToggleObjectFeaturesForm.php b/application/forms/Command/Object/ToggleObjectFeaturesForm.php
index 7f0884e7c..c19f8f24c 100644
--- a/application/forms/Command/Object/ToggleObjectFeaturesForm.php
+++ b/application/forms/Command/Object/ToggleObjectFeaturesForm.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Forms\Command\Object;
 
diff --git a/application/forms/DatabaseConfigForm.php b/application/forms/DatabaseConfigForm.php
index 7a6c1bd2b..9dbbc4489 100644
--- a/application/forms/DatabaseConfigForm.php
+++ b/application/forms/DatabaseConfigForm.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Forms;
 
diff --git a/application/forms/Navigation/ActionForm.php b/application/forms/Navigation/ActionForm.php
index 08cba3f82..a3919b3e8 100644
--- a/application/forms/Navigation/ActionForm.php
+++ b/application/forms/Navigation/ActionForm.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Forms\Navigation;
 
diff --git a/application/forms/Navigation/IcingadbHostActionForm.php b/application/forms/Navigation/IcingadbHostActionForm.php
index adee11d83..ee5e6a107 100644
--- a/application/forms/Navigation/IcingadbHostActionForm.php
+++ b/application/forms/Navigation/IcingadbHostActionForm.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Forms\Navigation;
 
diff --git a/application/forms/Navigation/IcingadbServiceActionForm.php b/application/forms/Navigation/IcingadbServiceActionForm.php
index 29d33c848..d6618eecf 100644
--- a/application/forms/Navigation/IcingadbServiceActionForm.php
+++ b/application/forms/Navigation/IcingadbServiceActionForm.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Forms\Navigation;
 
diff --git a/application/forms/RedisConfigForm.php b/application/forms/RedisConfigForm.php
index bed76b0c1..76e3526ad 100644
--- a/application/forms/RedisConfigForm.php
+++ b/application/forms/RedisConfigForm.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Forms;
 
diff --git a/configuration.php b/configuration.php
index e641810c7..6b827f69d 100644
--- a/configuration.php
+++ b/configuration.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb {
 
diff --git a/doc/01-About.md b/doc/01-About.md
index 8cf171c52..0c129e216 100644
--- a/doc/01-About.md
+++ b/doc/01-About.md
@@ -62,4 +62,4 @@ To install Icinga DB Web see [Installation](02-Installation.md).
 ## License
 
 Icinga DB Web and the Icinga DB Web documentation are licensed under the terms of the
-GNU General Public License Version 2.
+GNU General Public License Version 2 or later.
diff --git a/library/Icingadb/Authentication/ObjectAuthorization.php b/library/Icingadb/Authentication/ObjectAuthorization.php
index d49342cb8..84af376e0 100644
--- a/library/Icingadb/Authentication/ObjectAuthorization.php
+++ b/library/Icingadb/Authentication/ObjectAuthorization.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Authentication;
 
diff --git a/library/Icingadb/Command/IcingaApiCommand.php b/library/Icingadb/Command/IcingaApiCommand.php
index f3f0c3351..d6ef1cafa 100644
--- a/library/Icingadb/Command/IcingaApiCommand.php
+++ b/library/Icingadb/Command/IcingaApiCommand.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Command;
 
diff --git a/library/Icingadb/Command/IcingaCommand.php b/library/Icingadb/Command/IcingaCommand.php
index 7b5c5cff1..b2c735282 100644
--- a/library/Icingadb/Command/IcingaCommand.php
+++ b/library/Icingadb/Command/IcingaCommand.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Command;
 
diff --git a/library/Icingadb/Command/Instance/ToggleInstanceFeatureCommand.php b/library/Icingadb/Command/Instance/ToggleInstanceFeatureCommand.php
index d275d9b30..6634a6132 100644
--- a/library/Icingadb/Command/Instance/ToggleInstanceFeatureCommand.php
+++ b/library/Icingadb/Command/Instance/ToggleInstanceFeatureCommand.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Command\Instance;
 
diff --git a/library/Icingadb/Command/Object/AcknowledgeProblemCommand.php b/library/Icingadb/Command/Object/AcknowledgeProblemCommand.php
index baae24c76..d06bfe220 100644
--- a/library/Icingadb/Command/Object/AcknowledgeProblemCommand.php
+++ b/library/Icingadb/Command/Object/AcknowledgeProblemCommand.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Command\Object;
 
diff --git a/library/Icingadb/Command/Object/AddCommentCommand.php b/library/Icingadb/Command/Object/AddCommentCommand.php
index c853b257f..4a088a731 100644
--- a/library/Icingadb/Command/Object/AddCommentCommand.php
+++ b/library/Icingadb/Command/Object/AddCommentCommand.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Command\Object;
 
diff --git a/library/Icingadb/Command/Object/CommandAuthor.php b/library/Icingadb/Command/Object/CommandAuthor.php
index f323b6331..17c47c1aa 100644
--- a/library/Icingadb/Command/Object/CommandAuthor.php
+++ b/library/Icingadb/Command/Object/CommandAuthor.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Command\Object;
 
diff --git a/library/Icingadb/Command/Object/DeleteCommentCommand.php b/library/Icingadb/Command/Object/DeleteCommentCommand.php
index c06a73c9d..130685018 100644
--- a/library/Icingadb/Command/Object/DeleteCommentCommand.php
+++ b/library/Icingadb/Command/Object/DeleteCommentCommand.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Command\Object;
 
diff --git a/library/Icingadb/Command/Object/DeleteDowntimeCommand.php b/library/Icingadb/Command/Object/DeleteDowntimeCommand.php
index 7b4c2827e..1f341b90c 100644
--- a/library/Icingadb/Command/Object/DeleteDowntimeCommand.php
+++ b/library/Icingadb/Command/Object/DeleteDowntimeCommand.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Command\Object;
 
diff --git a/library/Icingadb/Command/Object/GetObjectCommand.php b/library/Icingadb/Command/Object/GetObjectCommand.php
index 8448f8ded..82aa6fae7 100644
--- a/library/Icingadb/Command/Object/GetObjectCommand.php
+++ b/library/Icingadb/Command/Object/GetObjectCommand.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Command\Object;
 
diff --git a/library/Icingadb/Command/Object/ObjectsCommand.php b/library/Icingadb/Command/Object/ObjectsCommand.php
index 117ed4b29..ea0e61e8d 100644
--- a/library/Icingadb/Command/Object/ObjectsCommand.php
+++ b/library/Icingadb/Command/Object/ObjectsCommand.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Command\Object;
 
diff --git a/library/Icingadb/Command/Object/ProcessCheckResultCommand.php b/library/Icingadb/Command/Object/ProcessCheckResultCommand.php
index 24ae2f3ae..bb895070d 100644
--- a/library/Icingadb/Command/Object/ProcessCheckResultCommand.php
+++ b/library/Icingadb/Command/Object/ProcessCheckResultCommand.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Command\Object;
 
diff --git a/library/Icingadb/Command/Object/PropagateHostDowntimeCommand.php b/library/Icingadb/Command/Object/PropagateHostDowntimeCommand.php
index 49b4c7769..78029817d 100644
--- a/library/Icingadb/Command/Object/PropagateHostDowntimeCommand.php
+++ b/library/Icingadb/Command/Object/PropagateHostDowntimeCommand.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Command\Object;
 
diff --git a/library/Icingadb/Command/Object/RemoveAcknowledgementCommand.php b/library/Icingadb/Command/Object/RemoveAcknowledgementCommand.php
index 4c4a9b3f6..17ffba24b 100644
--- a/library/Icingadb/Command/Object/RemoveAcknowledgementCommand.php
+++ b/library/Icingadb/Command/Object/RemoveAcknowledgementCommand.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Command\Object;
 
diff --git a/library/Icingadb/Command/Object/ScheduleCheckCommand.php b/library/Icingadb/Command/Object/ScheduleCheckCommand.php
index 88a7fd3e0..df99c692f 100644
--- a/library/Icingadb/Command/Object/ScheduleCheckCommand.php
+++ b/library/Icingadb/Command/Object/ScheduleCheckCommand.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Command\Object;
 
diff --git a/library/Icingadb/Command/Object/ScheduleDowntimeCommand.php b/library/Icingadb/Command/Object/ScheduleDowntimeCommand.php
index bb2cda770..71b6b7510 100644
--- a/library/Icingadb/Command/Object/ScheduleDowntimeCommand.php
+++ b/library/Icingadb/Command/Object/ScheduleDowntimeCommand.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2024 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2024 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Command\Object;
 
diff --git a/library/Icingadb/Command/Object/ScheduleHostDowntimeCommand.php b/library/Icingadb/Command/Object/ScheduleHostDowntimeCommand.php
index a0cb64510..dd32ec4b3 100644
--- a/library/Icingadb/Command/Object/ScheduleHostDowntimeCommand.php
+++ b/library/Icingadb/Command/Object/ScheduleHostDowntimeCommand.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Command\Object;
 
diff --git a/library/Icingadb/Command/Object/ScheduleServiceDowntimeCommand.php b/library/Icingadb/Command/Object/ScheduleServiceDowntimeCommand.php
index 05a88d5d0..2943b47c6 100644
--- a/library/Icingadb/Command/Object/ScheduleServiceDowntimeCommand.php
+++ b/library/Icingadb/Command/Object/ScheduleServiceDowntimeCommand.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Command\Object;
 
diff --git a/library/Icingadb/Command/Object/SendCustomNotificationCommand.php b/library/Icingadb/Command/Object/SendCustomNotificationCommand.php
index de90620f7..ff840aaa8 100644
--- a/library/Icingadb/Command/Object/SendCustomNotificationCommand.php
+++ b/library/Icingadb/Command/Object/SendCustomNotificationCommand.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Command\Object;
 
diff --git a/library/Icingadb/Command/Object/ToggleObjectFeatureCommand.php b/library/Icingadb/Command/Object/ToggleObjectFeatureCommand.php
index ec6628921..1b9fb7935 100644
--- a/library/Icingadb/Command/Object/ToggleObjectFeatureCommand.php
+++ b/library/Icingadb/Command/Object/ToggleObjectFeatureCommand.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Command\Object;
 
diff --git a/library/Icingadb/Command/Object/WithCommentCommand.php b/library/Icingadb/Command/Object/WithCommentCommand.php
index fc92eb115..bdbb3e265 100644
--- a/library/Icingadb/Command/Object/WithCommentCommand.php
+++ b/library/Icingadb/Command/Object/WithCommentCommand.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Command\Object;
 
diff --git a/library/Icingadb/Command/Renderer/IcingaApiCommandRenderer.php b/library/Icingadb/Command/Renderer/IcingaApiCommandRenderer.php
index 6983b397f..cda809c14 100644
--- a/library/Icingadb/Command/Renderer/IcingaApiCommandRenderer.php
+++ b/library/Icingadb/Command/Renderer/IcingaApiCommandRenderer.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Command\Renderer;
 
diff --git a/library/Icingadb/Command/Renderer/IcingaCommandRendererInterface.php b/library/Icingadb/Command/Renderer/IcingaCommandRendererInterface.php
index 50dd90c12..1490abf9f 100644
--- a/library/Icingadb/Command/Renderer/IcingaCommandRendererInterface.php
+++ b/library/Icingadb/Command/Renderer/IcingaCommandRendererInterface.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Command\Renderer;
 
diff --git a/library/Icingadb/Command/Transport/ApiCommandException.php b/library/Icingadb/Command/Transport/ApiCommandException.php
index 5449a7da3..e9c18e6a1 100644
--- a/library/Icingadb/Command/Transport/ApiCommandException.php
+++ b/library/Icingadb/Command/Transport/ApiCommandException.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Command\Transport;
 
diff --git a/library/Icingadb/Command/Transport/ApiCommandTransport.php b/library/Icingadb/Command/Transport/ApiCommandTransport.php
index 1bfb50e67..d0e80bb46 100644
--- a/library/Icingadb/Command/Transport/ApiCommandTransport.php
+++ b/library/Icingadb/Command/Transport/ApiCommandTransport.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Command\Transport;
 
diff --git a/library/Icingadb/Command/Transport/CommandTransport.php b/library/Icingadb/Command/Transport/CommandTransport.php
index 812279d7e..732619dbb 100644
--- a/library/Icingadb/Command/Transport/CommandTransport.php
+++ b/library/Icingadb/Command/Transport/CommandTransport.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Command\Transport;
 
diff --git a/library/Icingadb/Command/Transport/CommandTransportConfig.php b/library/Icingadb/Command/Transport/CommandTransportConfig.php
index e17fa0413..6d4b34398 100644
--- a/library/Icingadb/Command/Transport/CommandTransportConfig.php
+++ b/library/Icingadb/Command/Transport/CommandTransportConfig.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Command\Transport;
 
diff --git a/library/Icingadb/Command/Transport/CommandTransportException.php b/library/Icingadb/Command/Transport/CommandTransportException.php
index 5c5e61795..f18d6a7af 100644
--- a/library/Icingadb/Command/Transport/CommandTransportException.php
+++ b/library/Icingadb/Command/Transport/CommandTransportException.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Command\Transport;
 
diff --git a/library/Icingadb/Command/Transport/CommandTransportInterface.php b/library/Icingadb/Command/Transport/CommandTransportInterface.php
index ad07cb904..ce8d4c700 100644
--- a/library/Icingadb/Command/Transport/CommandTransportInterface.php
+++ b/library/Icingadb/Command/Transport/CommandTransportInterface.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Command\Transport;
 
diff --git a/library/Icingadb/Common/Auth.php b/library/Icingadb/Common/Auth.php
index 7260636a2..3507ce374 100644
--- a/library/Icingadb/Common/Auth.php
+++ b/library/Icingadb/Common/Auth.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Common;
 
diff --git a/library/Icingadb/Common/Backend.php b/library/Icingadb/Common/Backend.php
index 908fea0dd..4263fc712 100644
--- a/library/Icingadb/Common/Backend.php
+++ b/library/Icingadb/Common/Backend.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2024 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2024 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Common;
 
diff --git a/library/Icingadb/Common/BaseFilter.php b/library/Icingadb/Common/BaseFilter.php
index 5b1791feb..1786236cf 100644
--- a/library/Icingadb/Common/BaseFilter.php
+++ b/library/Icingadb/Common/BaseFilter.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Common;
 
diff --git a/library/Icingadb/Common/BaseStatusBar.php b/library/Icingadb/Common/BaseStatusBar.php
index add176d23..746c2b044 100644
--- a/library/Icingadb/Common/BaseStatusBar.php
+++ b/library/Icingadb/Common/BaseStatusBar.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Common;
 
diff --git a/library/Icingadb/Common/CommandActions.php b/library/Icingadb/Common/CommandActions.php
index 673d10338..7c51011f8 100644
--- a/library/Icingadb/Common/CommandActions.php
+++ b/library/Icingadb/Common/CommandActions.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Common;
 
diff --git a/library/Icingadb/Common/Database.php b/library/Icingadb/Common/Database.php
index 782b55a60..a786a75a4 100644
--- a/library/Icingadb/Common/Database.php
+++ b/library/Icingadb/Common/Database.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Common;
 
diff --git a/library/Icingadb/Common/DetailActions.php b/library/Icingadb/Common/DetailActions.php
index b182b1f26..63effad45 100644
--- a/library/Icingadb/Common/DetailActions.php
+++ b/library/Icingadb/Common/DetailActions.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Common;
 
diff --git a/library/Icingadb/Common/HostLink.php b/library/Icingadb/Common/HostLink.php
index 338722050..45670445a 100644
--- a/library/Icingadb/Common/HostLink.php
+++ b/library/Icingadb/Common/HostLink.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Common;
 
diff --git a/library/Icingadb/Common/HostLinks.php b/library/Icingadb/Common/HostLinks.php
index e8f288007..1564223e7 100644
--- a/library/Icingadb/Common/HostLinks.php
+++ b/library/Icingadb/Common/HostLinks.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Common;
 
diff --git a/library/Icingadb/Common/HostStates.php b/library/Icingadb/Common/HostStates.php
index 06b923678..5856e4ad8 100644
--- a/library/Icingadb/Common/HostStates.php
+++ b/library/Icingadb/Common/HostStates.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Common;
 
diff --git a/library/Icingadb/Common/IcingaRedis.php b/library/Icingadb/Common/IcingaRedis.php
index e6c58a78c..88f3fe8cd 100644
--- a/library/Icingadb/Common/IcingaRedis.php
+++ b/library/Icingadb/Common/IcingaRedis.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Common;
 
diff --git a/library/Icingadb/Common/Icons.php b/library/Icingadb/Common/Icons.php
index c28127dfe..ef661631d 100644
--- a/library/Icingadb/Common/Icons.php
+++ b/library/Icingadb/Common/Icons.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Common;
 
diff --git a/library/Icingadb/Common/Links.php b/library/Icingadb/Common/Links.php
index d96495910..93ca8ec04 100644
--- a/library/Icingadb/Common/Links.php
+++ b/library/Icingadb/Common/Links.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Common;
 
diff --git a/library/Icingadb/Common/LoadMore.php b/library/Icingadb/Common/LoadMore.php
index ad44e59e1..e1d61b8bf 100644
--- a/library/Icingadb/Common/LoadMore.php
+++ b/library/Icingadb/Common/LoadMore.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Common;
 
diff --git a/library/Icingadb/Common/Macros.php b/library/Icingadb/Common/Macros.php
index 1fec6b507..cd7a8703b 100644
--- a/library/Icingadb/Common/Macros.php
+++ b/library/Icingadb/Common/Macros.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Common;
 
diff --git a/library/Icingadb/Common/Model.php b/library/Icingadb/Common/Model.php
index 7f6299167..58fdac6f5 100644
--- a/library/Icingadb/Common/Model.php
+++ b/library/Icingadb/Common/Model.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2025 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2025 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Common;
 
diff --git a/library/Icingadb/Common/ObjectInspectionDetail.php b/library/Icingadb/Common/ObjectInspectionDetail.php
index d0884aab7..afb9ed94a 100644
--- a/library/Icingadb/Common/ObjectInspectionDetail.php
+++ b/library/Icingadb/Common/ObjectInspectionDetail.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Common;
 
diff --git a/library/Icingadb/Common/SearchControls.php b/library/Icingadb/Common/SearchControls.php
index 7927da0a0..58e09694d 100644
--- a/library/Icingadb/Common/SearchControls.php
+++ b/library/Icingadb/Common/SearchControls.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2022 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2022 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Common;
 
diff --git a/library/Icingadb/Common/ServiceLink.php b/library/Icingadb/Common/ServiceLink.php
index 75ac6c612..06cf649db 100644
--- a/library/Icingadb/Common/ServiceLink.php
+++ b/library/Icingadb/Common/ServiceLink.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Common;
 
diff --git a/library/Icingadb/Common/ServiceLinks.php b/library/Icingadb/Common/ServiceLinks.php
index 368be48b2..deb00ee56 100644
--- a/library/Icingadb/Common/ServiceLinks.php
+++ b/library/Icingadb/Common/ServiceLinks.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Common;
 
diff --git a/library/Icingadb/Common/ServiceStates.php b/library/Icingadb/Common/ServiceStates.php
index 526f95ebe..150447644 100644
--- a/library/Icingadb/Common/ServiceStates.php
+++ b/library/Icingadb/Common/ServiceStates.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Common;
 
diff --git a/library/Icingadb/Common/StateBadges.php b/library/Icingadb/Common/StateBadges.php
index 307248bd2..8261d755c 100644
--- a/library/Icingadb/Common/StateBadges.php
+++ b/library/Icingadb/Common/StateBadges.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Common;
 
diff --git a/library/Icingadb/Common/TicketLinks.php b/library/Icingadb/Common/TicketLinks.php
index b66c1b694..85783e9eb 100644
--- a/library/Icingadb/Common/TicketLinks.php
+++ b/library/Icingadb/Common/TicketLinks.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2022 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2022 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Common;
 
diff --git a/library/Icingadb/Compat/CompatHost.php b/library/Icingadb/Compat/CompatHost.php
index 12be31f4d..1fde832bc 100644
--- a/library/Icingadb/Compat/CompatHost.php
+++ b/library/Icingadb/Compat/CompatHost.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Compat;
 
diff --git a/library/Icingadb/Compat/CompatObject.php b/library/Icingadb/Compat/CompatObject.php
index 8434ced72..117bea127 100644
--- a/library/Icingadb/Compat/CompatObject.php
+++ b/library/Icingadb/Compat/CompatObject.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Compat;
 
diff --git a/library/Icingadb/Compat/CompatService.php b/library/Icingadb/Compat/CompatService.php
index 7fe599e8b..19cd4dc9e 100644
--- a/library/Icingadb/Compat/CompatService.php
+++ b/library/Icingadb/Compat/CompatService.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Compat;
 
diff --git a/library/Icingadb/Compat/UrlMigrator.php b/library/Icingadb/Compat/UrlMigrator.php
index 8cc64d59e..b7f5737cf 100644
--- a/library/Icingadb/Compat/UrlMigrator.php
+++ b/library/Icingadb/Compat/UrlMigrator.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Compat;
 
diff --git a/library/Icingadb/Data/CsvResultSet.php b/library/Icingadb/Data/CsvResultSet.php
index d65364e9a..5ec33bc79 100644
--- a/library/Icingadb/Data/CsvResultSet.php
+++ b/library/Icingadb/Data/CsvResultSet.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2022 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2022 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Data;
 
diff --git a/library/Icingadb/Data/CsvResultSetUtils.php b/library/Icingadb/Data/CsvResultSetUtils.php
index ac96e713b..7a1bfad4f 100644
--- a/library/Icingadb/Data/CsvResultSetUtils.php
+++ b/library/Icingadb/Data/CsvResultSetUtils.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2024 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2024 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Data;
 
diff --git a/library/Icingadb/Data/DependencyNodes.php b/library/Icingadb/Data/DependencyNodes.php
index 92ced025d..3755d2339 100644
--- a/library/Icingadb/Data/DependencyNodes.php
+++ b/library/Icingadb/Data/DependencyNodes.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2024 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2024 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Data;
 
diff --git a/library/Icingadb/Data/JsonResultSet.php b/library/Icingadb/Data/JsonResultSet.php
index 715437a92..52348414c 100644
--- a/library/Icingadb/Data/JsonResultSet.php
+++ b/library/Icingadb/Data/JsonResultSet.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2022 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2022 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Data;
 
diff --git a/library/Icingadb/Data/JsonResultSetUtils.php b/library/Icingadb/Data/JsonResultSetUtils.php
index a7e1a0dc7..de8e843d7 100644
--- a/library/Icingadb/Data/JsonResultSetUtils.php
+++ b/library/Icingadb/Data/JsonResultSetUtils.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2024 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2024 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Data;
 
diff --git a/library/Icingadb/Data/PivotTable.php b/library/Icingadb/Data/PivotTable.php
index 1aee20ccb..e3bbe5375 100644
--- a/library/Icingadb/Data/PivotTable.php
+++ b/library/Icingadb/Data/PivotTable.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Data;
 
diff --git a/library/Icingadb/Data/VolatileCsvResults.php b/library/Icingadb/Data/VolatileCsvResults.php
index 7d9f8ab35..5c7516a01 100644
--- a/library/Icingadb/Data/VolatileCsvResults.php
+++ b/library/Icingadb/Data/VolatileCsvResults.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2024 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2024 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Data;
 
diff --git a/library/Icingadb/Data/VolatileJsonResults.php b/library/Icingadb/Data/VolatileJsonResults.php
index 034fb0e66..e3d47c7cd 100644
--- a/library/Icingadb/Data/VolatileJsonResults.php
+++ b/library/Icingadb/Data/VolatileJsonResults.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2024 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2024 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Data;
 
diff --git a/library/Icingadb/Hook/ActionsHook/ObjectActionsHook.php b/library/Icingadb/Hook/ActionsHook/ObjectActionsHook.php
index 1461e90b0..cc8ad27ad 100644
--- a/library/Icingadb/Hook/ActionsHook/ObjectActionsHook.php
+++ b/library/Icingadb/Hook/ActionsHook/ObjectActionsHook.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Hook\ActionsHook;
 
diff --git a/library/Icingadb/Hook/Common/HookUtils.php b/library/Icingadb/Hook/Common/HookUtils.php
index 877884955..4f7cd515b 100644
--- a/library/Icingadb/Hook/Common/HookUtils.php
+++ b/library/Icingadb/Hook/Common/HookUtils.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Hook\Common;
 
diff --git a/library/Icingadb/Hook/Common/TotalSlaReportUtils.php b/library/Icingadb/Hook/Common/TotalSlaReportUtils.php
index 1006056ae..ae5d2035c 100644
--- a/library/Icingadb/Hook/Common/TotalSlaReportUtils.php
+++ b/library/Icingadb/Hook/Common/TotalSlaReportUtils.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2023 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2023 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Hook\Common;
 
diff --git a/library/Icingadb/Hook/CustomVarRendererHook.php b/library/Icingadb/Hook/CustomVarRendererHook.php
index bdd62e185..396bb3aa0 100644
--- a/library/Icingadb/Hook/CustomVarRendererHook.php
+++ b/library/Icingadb/Hook/CustomVarRendererHook.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Hook;
 
diff --git a/library/Icingadb/Hook/EventDetailExtensionHook.php b/library/Icingadb/Hook/EventDetailExtensionHook.php
index c348a0c43..83abff466 100644
--- a/library/Icingadb/Hook/EventDetailExtensionHook.php
+++ b/library/Icingadb/Hook/EventDetailExtensionHook.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Hook;
 
diff --git a/library/Icingadb/Hook/ExtensionHook/BaseExtensionHook.php b/library/Icingadb/Hook/ExtensionHook/BaseExtensionHook.php
index dfefdcdec..094138bea 100644
--- a/library/Icingadb/Hook/ExtensionHook/BaseExtensionHook.php
+++ b/library/Icingadb/Hook/ExtensionHook/BaseExtensionHook.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Hook\ExtensionHook;
 
diff --git a/library/Icingadb/Hook/ExtensionHook/ObjectDetailExtensionHook.php b/library/Icingadb/Hook/ExtensionHook/ObjectDetailExtensionHook.php
index bc8570c23..1251e6453 100644
--- a/library/Icingadb/Hook/ExtensionHook/ObjectDetailExtensionHook.php
+++ b/library/Icingadb/Hook/ExtensionHook/ObjectDetailExtensionHook.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Hook\ExtensionHook;
 
diff --git a/library/Icingadb/Hook/ExtensionHook/ObjectsDetailExtensionHook.php b/library/Icingadb/Hook/ExtensionHook/ObjectsDetailExtensionHook.php
index 6af9e0810..ea8f03ac6 100644
--- a/library/Icingadb/Hook/ExtensionHook/ObjectsDetailExtensionHook.php
+++ b/library/Icingadb/Hook/ExtensionHook/ObjectsDetailExtensionHook.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Hook\ExtensionHook;
 
diff --git a/library/Icingadb/Hook/HostActionsHook.php b/library/Icingadb/Hook/HostActionsHook.php
index 73c58f4d1..50b28c46b 100644
--- a/library/Icingadb/Hook/HostActionsHook.php
+++ b/library/Icingadb/Hook/HostActionsHook.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Hook;
 
diff --git a/library/Icingadb/Hook/HostDetailExtensionHook.php b/library/Icingadb/Hook/HostDetailExtensionHook.php
index a6e9ab0d0..b3c0068f7 100644
--- a/library/Icingadb/Hook/HostDetailExtensionHook.php
+++ b/library/Icingadb/Hook/HostDetailExtensionHook.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Hook;
 
diff --git a/library/Icingadb/Hook/HostsDetailExtensionHook.php b/library/Icingadb/Hook/HostsDetailExtensionHook.php
index 79c091e14..82e2d8f52 100644
--- a/library/Icingadb/Hook/HostsDetailExtensionHook.php
+++ b/library/Icingadb/Hook/HostsDetailExtensionHook.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Hook;
 
diff --git a/library/Icingadb/Hook/IcingadbSupportHook.php b/library/Icingadb/Hook/IcingadbSupportHook.php
index 40c5d55dd..4b4cb920b 100644
--- a/library/Icingadb/Hook/IcingadbSupportHook.php
+++ b/library/Icingadb/Hook/IcingadbSupportHook.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Hook;
 
diff --git a/library/Icingadb/Hook/PluginOutputHook.php b/library/Icingadb/Hook/PluginOutputHook.php
index dc7bd28f1..eee80c714 100644
--- a/library/Icingadb/Hook/PluginOutputHook.php
+++ b/library/Icingadb/Hook/PluginOutputHook.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Hook;
 
diff --git a/library/Icingadb/Hook/RedundancyGroupDetailExtensionHook.php b/library/Icingadb/Hook/RedundancyGroupDetailExtensionHook.php
index 7cf417358..82e496238 100644
--- a/library/Icingadb/Hook/RedundancyGroupDetailExtensionHook.php
+++ b/library/Icingadb/Hook/RedundancyGroupDetailExtensionHook.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2024 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2024 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Hook;
 
diff --git a/library/Icingadb/Hook/ServiceActionsHook.php b/library/Icingadb/Hook/ServiceActionsHook.php
index 988cdb6c3..93d4e9315 100644
--- a/library/Icingadb/Hook/ServiceActionsHook.php
+++ b/library/Icingadb/Hook/ServiceActionsHook.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Hook;
 
diff --git a/library/Icingadb/Hook/ServiceDetailExtensionHook.php b/library/Icingadb/Hook/ServiceDetailExtensionHook.php
index 53446200a..19011de5c 100644
--- a/library/Icingadb/Hook/ServiceDetailExtensionHook.php
+++ b/library/Icingadb/Hook/ServiceDetailExtensionHook.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Hook;
 
diff --git a/library/Icingadb/Hook/ServicesDetailExtensionHook.php b/library/Icingadb/Hook/ServicesDetailExtensionHook.php
index 35ba8d316..d0070919a 100644
--- a/library/Icingadb/Hook/ServicesDetailExtensionHook.php
+++ b/library/Icingadb/Hook/ServicesDetailExtensionHook.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Hook;
 
diff --git a/library/Icingadb/Hook/TabHook.php b/library/Icingadb/Hook/TabHook.php
index 0c5b67696..ce0dee069 100644
--- a/library/Icingadb/Hook/TabHook.php
+++ b/library/Icingadb/Hook/TabHook.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Hook;
 
diff --git a/library/Icingadb/Hook/TabHook/HookActions.php b/library/Icingadb/Hook/TabHook/HookActions.php
index f28da70d4..b9aee4a5a 100644
--- a/library/Icingadb/Hook/TabHook/HookActions.php
+++ b/library/Icingadb/Hook/TabHook/HookActions.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Hook\TabHook;
 
diff --git a/library/Icingadb/Hook/UserDetailExtensionHook.php b/library/Icingadb/Hook/UserDetailExtensionHook.php
index bb1bf7e83..25314098f 100644
--- a/library/Icingadb/Hook/UserDetailExtensionHook.php
+++ b/library/Icingadb/Hook/UserDetailExtensionHook.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Hook;
 
diff --git a/library/Icingadb/Hook/UsergroupDetailExtensionHook.php b/library/Icingadb/Hook/UsergroupDetailExtensionHook.php
index da2264d5e..3350e5df6 100644
--- a/library/Icingadb/Hook/UsergroupDetailExtensionHook.php
+++ b/library/Icingadb/Hook/UsergroupDetailExtensionHook.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Hook;
 
diff --git a/library/Icingadb/Model/AcknowledgementHistory.php b/library/Icingadb/Model/AcknowledgementHistory.php
index c8c2d7cc0..641dcc7f3 100644
--- a/library/Icingadb/Model/AcknowledgementHistory.php
+++ b/library/Icingadb/Model/AcknowledgementHistory.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Model;
 
diff --git a/library/Icingadb/Model/ActionUrl.php b/library/Icingadb/Model/ActionUrl.php
index 92d50d8d0..013d65a81 100644
--- a/library/Icingadb/Model/ActionUrl.php
+++ b/library/Icingadb/Model/ActionUrl.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Model;
 
diff --git a/library/Icingadb/Model/Behavior/ActionAndNoteUrl.php b/library/Icingadb/Model/Behavior/ActionAndNoteUrl.php
index e8f679927..47a10d50f 100644
--- a/library/Icingadb/Model/Behavior/ActionAndNoteUrl.php
+++ b/library/Icingadb/Model/Behavior/ActionAndNoteUrl.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Model\Behavior;
 
diff --git a/library/Icingadb/Model/Behavior/Bitmask.php b/library/Icingadb/Model/Behavior/Bitmask.php
index f8d91f627..679013f3b 100644
--- a/library/Icingadb/Model/Behavior/Bitmask.php
+++ b/library/Icingadb/Model/Behavior/Bitmask.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Model\Behavior;
 
diff --git a/library/Icingadb/Model/Behavior/FlattenedObjectVars.php b/library/Icingadb/Model/Behavior/FlattenedObjectVars.php
index 329d37fee..01c0cff07 100644
--- a/library/Icingadb/Model/Behavior/FlattenedObjectVars.php
+++ b/library/Icingadb/Model/Behavior/FlattenedObjectVars.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Model\Behavior;
 
diff --git a/library/Icingadb/Model/Behavior/HasProblematicParent.php b/library/Icingadb/Model/Behavior/HasProblematicParent.php
index 6ec6a4b2f..f64205db0 100644
--- a/library/Icingadb/Model/Behavior/HasProblematicParent.php
+++ b/library/Icingadb/Model/Behavior/HasProblematicParent.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2024 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2024 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Model\Behavior;
 
diff --git a/library/Icingadb/Model/Behavior/ReRoute.php b/library/Icingadb/Model/Behavior/ReRoute.php
index d054f00e3..f3df236ce 100644
--- a/library/Icingadb/Model/Behavior/ReRoute.php
+++ b/library/Icingadb/Model/Behavior/ReRoute.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Model\Behavior;
 
diff --git a/library/Icingadb/Model/Checkcommand.php b/library/Icingadb/Model/Checkcommand.php
index e0702bec8..4116b22c2 100644
--- a/library/Icingadb/Model/Checkcommand.php
+++ b/library/Icingadb/Model/Checkcommand.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Model;
 
diff --git a/library/Icingadb/Model/CheckcommandArgument.php b/library/Icingadb/Model/CheckcommandArgument.php
index 9e728af0a..e9bb560d9 100644
--- a/library/Icingadb/Model/CheckcommandArgument.php
+++ b/library/Icingadb/Model/CheckcommandArgument.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Model;
 
diff --git a/library/Icingadb/Model/CheckcommandCustomvar.php b/library/Icingadb/Model/CheckcommandCustomvar.php
index a46de4437..48159c943 100644
--- a/library/Icingadb/Model/CheckcommandCustomvar.php
+++ b/library/Icingadb/Model/CheckcommandCustomvar.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Model;
 
diff --git a/library/Icingadb/Model/CheckcommandEnvvar.php b/library/Icingadb/Model/CheckcommandEnvvar.php
index b5ef17aae..f9e44e8e8 100644
--- a/library/Icingadb/Model/CheckcommandEnvvar.php
+++ b/library/Icingadb/Model/CheckcommandEnvvar.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Model;
 
diff --git a/library/Icingadb/Model/Comment.php b/library/Icingadb/Model/Comment.php
index d5bf013a4..78701aeeb 100644
--- a/library/Icingadb/Model/Comment.php
+++ b/library/Icingadb/Model/Comment.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Model;
 
diff --git a/library/Icingadb/Model/CommentHistory.php b/library/Icingadb/Model/CommentHistory.php
index 62553644a..a9825eacb 100644
--- a/library/Icingadb/Model/CommentHistory.php
+++ b/library/Icingadb/Model/CommentHistory.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Model;
 
diff --git a/library/Icingadb/Model/Customvar.php b/library/Icingadb/Model/Customvar.php
index 0fa103bac..fa0dcf738 100644
--- a/library/Icingadb/Model/Customvar.php
+++ b/library/Icingadb/Model/Customvar.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Model;
 
diff --git a/library/Icingadb/Model/CustomvarFlat.php b/library/Icingadb/Model/CustomvarFlat.php
index a30bf46be..d1612a4df 100644
--- a/library/Icingadb/Model/CustomvarFlat.php
+++ b/library/Icingadb/Model/CustomvarFlat.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Model;
 
diff --git a/library/Icingadb/Model/DependencyEdge.php b/library/Icingadb/Model/DependencyEdge.php
index 5350c5536..98d774b2d 100644
--- a/library/Icingadb/Model/DependencyEdge.php
+++ b/library/Icingadb/Model/DependencyEdge.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2024 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2024 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Model;
 
diff --git a/library/Icingadb/Model/DependencyNode.php b/library/Icingadb/Model/DependencyNode.php
index 3fb87c14c..194a7c6ff 100644
--- a/library/Icingadb/Model/DependencyNode.php
+++ b/library/Icingadb/Model/DependencyNode.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2024 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2024 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Model;
 
diff --git a/library/Icingadb/Model/Downtime.php b/library/Icingadb/Model/Downtime.php
index 288a8e0c9..d1bd2ad0b 100644
--- a/library/Icingadb/Model/Downtime.php
+++ b/library/Icingadb/Model/Downtime.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Model;
 
diff --git a/library/Icingadb/Model/DowntimeHistory.php b/library/Icingadb/Model/DowntimeHistory.php
index d06a632c3..a2caa0276 100644
--- a/library/Icingadb/Model/DowntimeHistory.php
+++ b/library/Icingadb/Model/DowntimeHistory.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Model;
 
diff --git a/library/Icingadb/Model/Endpoint.php b/library/Icingadb/Model/Endpoint.php
index b0edea9eb..242701aef 100644
--- a/library/Icingadb/Model/Endpoint.php
+++ b/library/Icingadb/Model/Endpoint.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Model;
 
diff --git a/library/Icingadb/Model/Environment.php b/library/Icingadb/Model/Environment.php
index b915ca5b4..9b1c30f80 100644
--- a/library/Icingadb/Model/Environment.php
+++ b/library/Icingadb/Model/Environment.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Model;
 
diff --git a/library/Icingadb/Model/Eventcommand.php b/library/Icingadb/Model/Eventcommand.php
index 885cb3436..432beb630 100644
--- a/library/Icingadb/Model/Eventcommand.php
+++ b/library/Icingadb/Model/Eventcommand.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Model;
 
diff --git a/library/Icingadb/Model/EventcommandArgument.php b/library/Icingadb/Model/EventcommandArgument.php
index 72b12ff9d..01ac00acc 100644
--- a/library/Icingadb/Model/EventcommandArgument.php
+++ b/library/Icingadb/Model/EventcommandArgument.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Model;
 
diff --git a/library/Icingadb/Model/EventcommandCustomvar.php b/library/Icingadb/Model/EventcommandCustomvar.php
index b26052e72..da5e7b626 100644
--- a/library/Icingadb/Model/EventcommandCustomvar.php
+++ b/library/Icingadb/Model/EventcommandCustomvar.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Model;
 
diff --git a/library/Icingadb/Model/EventcommandEnvvar.php b/library/Icingadb/Model/EventcommandEnvvar.php
index 3095a68c5..e4e81c94e 100644
--- a/library/Icingadb/Model/EventcommandEnvvar.php
+++ b/library/Icingadb/Model/EventcommandEnvvar.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Model;
 
diff --git a/library/Icingadb/Model/FlappingHistory.php b/library/Icingadb/Model/FlappingHistory.php
index 2a1390367..dbabba784 100644
--- a/library/Icingadb/Model/FlappingHistory.php
+++ b/library/Icingadb/Model/FlappingHistory.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Model;
 
diff --git a/library/Icingadb/Model/History.php b/library/Icingadb/Model/History.php
index bbdad07c9..0e45d6e7b 100644
--- a/library/Icingadb/Model/History.php
+++ b/library/Icingadb/Model/History.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Model;
 
diff --git a/library/Icingadb/Model/Host.php b/library/Icingadb/Model/Host.php
index f422bf343..8bbc3142d 100644
--- a/library/Icingadb/Model/Host.php
+++ b/library/Icingadb/Model/Host.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Model;
 
diff --git a/library/Icingadb/Model/HostCustomvar.php b/library/Icingadb/Model/HostCustomvar.php
index 67753c6a8..97109a47e 100644
--- a/library/Icingadb/Model/HostCustomvar.php
+++ b/library/Icingadb/Model/HostCustomvar.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Model;
 
diff --git a/library/Icingadb/Model/HostState.php b/library/Icingadb/Model/HostState.php
index 9ebbbd291..9f0781f5b 100644
--- a/library/Icingadb/Model/HostState.php
+++ b/library/Icingadb/Model/HostState.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Model;
 
diff --git a/library/Icingadb/Model/Hostgroup.php b/library/Icingadb/Model/Hostgroup.php
index ee5a6df6c..44c60f735 100644
--- a/library/Icingadb/Model/Hostgroup.php
+++ b/library/Icingadb/Model/Hostgroup.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Model;
 
diff --git a/library/Icingadb/Model/HostgroupCustomvar.php b/library/Icingadb/Model/HostgroupCustomvar.php
index d42c2f417..6477019e4 100644
--- a/library/Icingadb/Model/HostgroupCustomvar.php
+++ b/library/Icingadb/Model/HostgroupCustomvar.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Model;
 
diff --git a/library/Icingadb/Model/HostgroupMember.php b/library/Icingadb/Model/HostgroupMember.php
index 09c013507..080367eb0 100644
--- a/library/Icingadb/Model/HostgroupMember.php
+++ b/library/Icingadb/Model/HostgroupMember.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Model;
 
diff --git a/library/Icingadb/Model/Hostgroupsummary.php b/library/Icingadb/Model/Hostgroupsummary.php
index 3da32dd6d..482c5f603 100644
--- a/library/Icingadb/Model/Hostgroupsummary.php
+++ b/library/Icingadb/Model/Hostgroupsummary.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Model;
 
diff --git a/library/Icingadb/Model/HoststateSummary.php b/library/Icingadb/Model/HoststateSummary.php
index 3184c282d..b105267df 100644
--- a/library/Icingadb/Model/HoststateSummary.php
+++ b/library/Icingadb/Model/HoststateSummary.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Model;
 
diff --git a/library/Icingadb/Model/IconImage.php b/library/Icingadb/Model/IconImage.php
index d0fdec8c2..b360b7dbc 100644
--- a/library/Icingadb/Model/IconImage.php
+++ b/library/Icingadb/Model/IconImage.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Model;
 
diff --git a/library/Icingadb/Model/Instance.php b/library/Icingadb/Model/Instance.php
index 38fb803bf..09c5f8f8d 100644
--- a/library/Icingadb/Model/Instance.php
+++ b/library/Icingadb/Model/Instance.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Model;
 
diff --git a/library/Icingadb/Model/LastHostComment.php b/library/Icingadb/Model/LastHostComment.php
index 621b20440..d726ab710 100644
--- a/library/Icingadb/Model/LastHostComment.php
+++ b/library/Icingadb/Model/LastHostComment.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2023 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2023 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Model;
 
diff --git a/library/Icingadb/Model/LastServiceComment.php b/library/Icingadb/Model/LastServiceComment.php
index 4d44f11eb..6183d346c 100644
--- a/library/Icingadb/Model/LastServiceComment.php
+++ b/library/Icingadb/Model/LastServiceComment.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2023 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2023 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Model;
 
diff --git a/library/Icingadb/Model/NotesUrl.php b/library/Icingadb/Model/NotesUrl.php
index 46d6c627b..67bb34b5e 100644
--- a/library/Icingadb/Model/NotesUrl.php
+++ b/library/Icingadb/Model/NotesUrl.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Model;
 
diff --git a/library/Icingadb/Model/Notification.php b/library/Icingadb/Model/Notification.php
index c38ae704c..a5dd96bba 100644
--- a/library/Icingadb/Model/Notification.php
+++ b/library/Icingadb/Model/Notification.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Model;
 
diff --git a/library/Icingadb/Model/NotificationCustomvar.php b/library/Icingadb/Model/NotificationCustomvar.php
index 9fa5a3827..9789d2f30 100644
--- a/library/Icingadb/Model/NotificationCustomvar.php
+++ b/library/Icingadb/Model/NotificationCustomvar.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Model;
 
diff --git a/library/Icingadb/Model/NotificationHistory.php b/library/Icingadb/Model/NotificationHistory.php
index 6c0ca70c5..4651ac5ae 100644
--- a/library/Icingadb/Model/NotificationHistory.php
+++ b/library/Icingadb/Model/NotificationHistory.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Model;
 
diff --git a/library/Icingadb/Model/NotificationUser.php b/library/Icingadb/Model/NotificationUser.php
index dfe2e80e3..55371e564 100644
--- a/library/Icingadb/Model/NotificationUser.php
+++ b/library/Icingadb/Model/NotificationUser.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Model;
 
diff --git a/library/Icingadb/Model/NotificationUsergroup.php b/library/Icingadb/Model/NotificationUsergroup.php
index 6222969b7..32dd2843c 100644
--- a/library/Icingadb/Model/NotificationUsergroup.php
+++ b/library/Icingadb/Model/NotificationUsergroup.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Model;
 
diff --git a/library/Icingadb/Model/Notificationcommand.php b/library/Icingadb/Model/Notificationcommand.php
index eed6e6cab..06b224838 100644
--- a/library/Icingadb/Model/Notificationcommand.php
+++ b/library/Icingadb/Model/Notificationcommand.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Model;
 
diff --git a/library/Icingadb/Model/NotificationcommandArgument.php b/library/Icingadb/Model/NotificationcommandArgument.php
index 5674e60df..8b2d034d7 100644
--- a/library/Icingadb/Model/NotificationcommandArgument.php
+++ b/library/Icingadb/Model/NotificationcommandArgument.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Model;
 
diff --git a/library/Icingadb/Model/NotificationcommandCustomvar.php b/library/Icingadb/Model/NotificationcommandCustomvar.php
index 8d58047c3..48473053e 100644
--- a/library/Icingadb/Model/NotificationcommandCustomvar.php
+++ b/library/Icingadb/Model/NotificationcommandCustomvar.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Model;
 
diff --git a/library/Icingadb/Model/NotificationcommandEnvvar.php b/library/Icingadb/Model/NotificationcommandEnvvar.php
index f486bd05f..5fdc0a7a1 100644
--- a/library/Icingadb/Model/NotificationcommandEnvvar.php
+++ b/library/Icingadb/Model/NotificationcommandEnvvar.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Model;
 
diff --git a/library/Icingadb/Model/RedundancyGroup.php b/library/Icingadb/Model/RedundancyGroup.php
index a7bf08bf3..f46d4d31f 100644
--- a/library/Icingadb/Model/RedundancyGroup.php
+++ b/library/Icingadb/Model/RedundancyGroup.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2024 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2024 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Model;
 
diff --git a/library/Icingadb/Model/RedundancyGroupState.php b/library/Icingadb/Model/RedundancyGroupState.php
index 3abae95b6..a7e7dc274 100644
--- a/library/Icingadb/Model/RedundancyGroupState.php
+++ b/library/Icingadb/Model/RedundancyGroupState.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2024 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2024 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Model;
 
diff --git a/library/Icingadb/Model/RedundancyGroupSummary.php b/library/Icingadb/Model/RedundancyGroupSummary.php
index 9de6a2b62..5cc03de08 100644
--- a/library/Icingadb/Model/RedundancyGroupSummary.php
+++ b/library/Icingadb/Model/RedundancyGroupSummary.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2024 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2024 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Model;
 
diff --git a/library/Icingadb/Model/Schema.php b/library/Icingadb/Model/Schema.php
index e2d1e72b1..21f60e9ab 100644
--- a/library/Icingadb/Model/Schema.php
+++ b/library/Icingadb/Model/Schema.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2024 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2024 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Model;
 
diff --git a/library/Icingadb/Model/Service.php b/library/Icingadb/Model/Service.php
index 240f772f7..cb039054c 100644
--- a/library/Icingadb/Model/Service.php
+++ b/library/Icingadb/Model/Service.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Model;
 
diff --git a/library/Icingadb/Model/ServiceCustomvar.php b/library/Icingadb/Model/ServiceCustomvar.php
index e4f91a6c6..69f8db673 100644
--- a/library/Icingadb/Model/ServiceCustomvar.php
+++ b/library/Icingadb/Model/ServiceCustomvar.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Model;
 
diff --git a/library/Icingadb/Model/ServiceState.php b/library/Icingadb/Model/ServiceState.php
index f79b1ffc9..757ef714f 100644
--- a/library/Icingadb/Model/ServiceState.php
+++ b/library/Icingadb/Model/ServiceState.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Model;
 
diff --git a/library/Icingadb/Model/Servicegroup.php b/library/Icingadb/Model/Servicegroup.php
index d684963a9..18f9e731d 100644
--- a/library/Icingadb/Model/Servicegroup.php
+++ b/library/Icingadb/Model/Servicegroup.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Model;
 
diff --git a/library/Icingadb/Model/ServicegroupCustomvar.php b/library/Icingadb/Model/ServicegroupCustomvar.php
index 11ffa33b8..9d1defdfb 100644
--- a/library/Icingadb/Model/ServicegroupCustomvar.php
+++ b/library/Icingadb/Model/ServicegroupCustomvar.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Model;
 
diff --git a/library/Icingadb/Model/ServicegroupMember.php b/library/Icingadb/Model/ServicegroupMember.php
index 14cf3b646..fd4e62af6 100644
--- a/library/Icingadb/Model/ServicegroupMember.php
+++ b/library/Icingadb/Model/ServicegroupMember.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Model;
 
diff --git a/library/Icingadb/Model/ServicegroupSummary.php b/library/Icingadb/Model/ServicegroupSummary.php
index b960179c3..4171b50c6 100644
--- a/library/Icingadb/Model/ServicegroupSummary.php
+++ b/library/Icingadb/Model/ServicegroupSummary.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Model;
 
diff --git a/library/Icingadb/Model/ServicestateSummary.php b/library/Icingadb/Model/ServicestateSummary.php
index daf3bec16..cc8e26ad9 100644
--- a/library/Icingadb/Model/ServicestateSummary.php
+++ b/library/Icingadb/Model/ServicestateSummary.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Model;
 
diff --git a/library/Icingadb/Model/SlaHistoryDowntime.php b/library/Icingadb/Model/SlaHistoryDowntime.php
index 76b7240c8..2549052da 100644
--- a/library/Icingadb/Model/SlaHistoryDowntime.php
+++ b/library/Icingadb/Model/SlaHistoryDowntime.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2025 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2025 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Model;
 
diff --git a/library/Icingadb/Model/SlaHistoryState.php b/library/Icingadb/Model/SlaHistoryState.php
index f10cec8ae..b8ce7f2e5 100644
--- a/library/Icingadb/Model/SlaHistoryState.php
+++ b/library/Icingadb/Model/SlaHistoryState.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2025 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2025 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Model;
 
diff --git a/library/Icingadb/Model/State.php b/library/Icingadb/Model/State.php
index c346cd262..b1136e813 100644
--- a/library/Icingadb/Model/State.php
+++ b/library/Icingadb/Model/State.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Model;
 
diff --git a/library/Icingadb/Model/StateHistory.php b/library/Icingadb/Model/StateHistory.php
index 56bae65ca..ff6b83b90 100644
--- a/library/Icingadb/Model/StateHistory.php
+++ b/library/Icingadb/Model/StateHistory.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Model;
 
diff --git a/library/Icingadb/Model/Timeperiod.php b/library/Icingadb/Model/Timeperiod.php
index eacf6ee7f..869e39946 100644
--- a/library/Icingadb/Model/Timeperiod.php
+++ b/library/Icingadb/Model/Timeperiod.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Model;
 
diff --git a/library/Icingadb/Model/TimeperiodCustomvar.php b/library/Icingadb/Model/TimeperiodCustomvar.php
index 939a51345..e8df127fc 100644
--- a/library/Icingadb/Model/TimeperiodCustomvar.php
+++ b/library/Icingadb/Model/TimeperiodCustomvar.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Model;
 
diff --git a/library/Icingadb/Model/TimeperiodOverrideExclude.php b/library/Icingadb/Model/TimeperiodOverrideExclude.php
index 6a0db09b6..d5d2376a2 100644
--- a/library/Icingadb/Model/TimeperiodOverrideExclude.php
+++ b/library/Icingadb/Model/TimeperiodOverrideExclude.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Model;
 
diff --git a/library/Icingadb/Model/TimeperiodOverrideInclude.php b/library/Icingadb/Model/TimeperiodOverrideInclude.php
index 286090983..e0d44caf2 100644
--- a/library/Icingadb/Model/TimeperiodOverrideInclude.php
+++ b/library/Icingadb/Model/TimeperiodOverrideInclude.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Model;
 
diff --git a/library/Icingadb/Model/TimeperiodRange.php b/library/Icingadb/Model/TimeperiodRange.php
index e0e04abdf..ca6cc5aea 100644
--- a/library/Icingadb/Model/TimeperiodRange.php
+++ b/library/Icingadb/Model/TimeperiodRange.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Model;
 
diff --git a/library/Icingadb/Model/UnreachableParent.php b/library/Icingadb/Model/UnreachableParent.php
index 7e3e208c3..c6c6ba16c 100644
--- a/library/Icingadb/Model/UnreachableParent.php
+++ b/library/Icingadb/Model/UnreachableParent.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2024 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2024 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Model;
 
diff --git a/library/Icingadb/Model/User.php b/library/Icingadb/Model/User.php
index 2f86d1e4a..35cf6a601 100644
--- a/library/Icingadb/Model/User.php
+++ b/library/Icingadb/Model/User.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Model;
 
diff --git a/library/Icingadb/Model/UserCustomvar.php b/library/Icingadb/Model/UserCustomvar.php
index 151b9ffda..92f6dc57a 100644
--- a/library/Icingadb/Model/UserCustomvar.php
+++ b/library/Icingadb/Model/UserCustomvar.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Model;
 
diff --git a/library/Icingadb/Model/Usergroup.php b/library/Icingadb/Model/Usergroup.php
index 6739cbb4d..04196c2db 100644
--- a/library/Icingadb/Model/Usergroup.php
+++ b/library/Icingadb/Model/Usergroup.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Model;
 
diff --git a/library/Icingadb/Model/UsergroupCustomvar.php b/library/Icingadb/Model/UsergroupCustomvar.php
index 69fbad906..30dc27673 100644
--- a/library/Icingadb/Model/UsergroupCustomvar.php
+++ b/library/Icingadb/Model/UsergroupCustomvar.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Model;
 
diff --git a/library/Icingadb/Model/UsergroupMember.php b/library/Icingadb/Model/UsergroupMember.php
index 1295d0d5d..513453fda 100644
--- a/library/Icingadb/Model/UsergroupMember.php
+++ b/library/Icingadb/Model/UsergroupMember.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Model;
 
diff --git a/library/Icingadb/Model/Vars.php b/library/Icingadb/Model/Vars.php
index 304d52639..82db5cc17 100644
--- a/library/Icingadb/Model/Vars.php
+++ b/library/Icingadb/Model/Vars.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2022 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2022 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Model;
 
diff --git a/library/Icingadb/Model/Zone.php b/library/Icingadb/Model/Zone.php
index 7992c6ef8..2ef2271b8 100644
--- a/library/Icingadb/Model/Zone.php
+++ b/library/Icingadb/Model/Zone.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Model;
 
diff --git a/library/Icingadb/ProvidedHook/ApplicationState.php b/library/Icingadb/ProvidedHook/ApplicationState.php
index 208a97ad7..20a400204 100644
--- a/library/Icingadb/ProvidedHook/ApplicationState.php
+++ b/library/Icingadb/ProvidedHook/ApplicationState.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\ProvidedHook;
 
diff --git a/library/Icingadb/ProvidedHook/IcingaHealth.php b/library/Icingadb/ProvidedHook/IcingaHealth.php
index 100e91edc..7c940a0f4 100644
--- a/library/Icingadb/ProvidedHook/IcingaHealth.php
+++ b/library/Icingadb/ProvidedHook/IcingaHealth.php
@@ -1,6 +1,6 @@
 <?php
 
-// Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2
+// Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+
 
 namespace Icinga\Module\Icingadb\ProvidedHook;
 
diff --git a/library/Icingadb/ProvidedHook/Notifications/V1/Source.php b/library/Icingadb/ProvidedHook/Notifications/V1/Source.php
index 51574c8d2..49cc9b036 100644
--- a/library/Icingadb/ProvidedHook/Notifications/V1/Source.php
+++ b/library/Icingadb/ProvidedHook/Notifications/V1/Source.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2025 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2025 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\ProvidedHook\Notifications\V1;
 
diff --git a/library/Icingadb/ProvidedHook/RedisHealth.php b/library/Icingadb/ProvidedHook/RedisHealth.php
index 97e2d4594..7af66418d 100644
--- a/library/Icingadb/ProvidedHook/RedisHealth.php
+++ b/library/Icingadb/ProvidedHook/RedisHealth.php
@@ -1,6 +1,6 @@
 <?php
 
-// Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2
+// Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+
 
 namespace Icinga\Module\Icingadb\ProvidedHook;
 
diff --git a/library/Icingadb/ProvidedHook/Reporting/HostSlaReport.php b/library/Icingadb/ProvidedHook/Reporting/HostSlaReport.php
index d9c4f4f13..cfc42b3a8 100644
--- a/library/Icingadb/ProvidedHook/Reporting/HostSlaReport.php
+++ b/library/Icingadb/ProvidedHook/Reporting/HostSlaReport.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2022 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2022 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\ProvidedHook\Reporting;
 
diff --git a/library/Icingadb/ProvidedHook/Reporting/ServiceSlaReport.php b/library/Icingadb/ProvidedHook/Reporting/ServiceSlaReport.php
index 46a068437..8f3183b17 100644
--- a/library/Icingadb/ProvidedHook/Reporting/ServiceSlaReport.php
+++ b/library/Icingadb/ProvidedHook/Reporting/ServiceSlaReport.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2022 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2022 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\ProvidedHook\Reporting;
 
diff --git a/library/Icingadb/ProvidedHook/Reporting/SlaReport.php b/library/Icingadb/ProvidedHook/Reporting/SlaReport.php
index 8dcc64e42..6c68c0399 100644
--- a/library/Icingadb/ProvidedHook/Reporting/SlaReport.php
+++ b/library/Icingadb/ProvidedHook/Reporting/SlaReport.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2022 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2022 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\ProvidedHook\Reporting;
 
diff --git a/library/Icingadb/ProvidedHook/Reporting/TotalHostSlaReport.php b/library/Icingadb/ProvidedHook/Reporting/TotalHostSlaReport.php
index b09ffb757..69849f5d0 100644
--- a/library/Icingadb/ProvidedHook/Reporting/TotalHostSlaReport.php
+++ b/library/Icingadb/ProvidedHook/Reporting/TotalHostSlaReport.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2023 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2023 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\ProvidedHook\Reporting;
 
diff --git a/library/Icingadb/ProvidedHook/Reporting/TotalServiceSlaReport.php b/library/Icingadb/ProvidedHook/Reporting/TotalServiceSlaReport.php
index e5ebf57a7..cf40555f4 100644
--- a/library/Icingadb/ProvidedHook/Reporting/TotalServiceSlaReport.php
+++ b/library/Icingadb/ProvidedHook/Reporting/TotalServiceSlaReport.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2023 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2023 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\ProvidedHook\Reporting;
 
diff --git a/library/Icingadb/ProvidedHook/X509/Sni.php b/library/Icingadb/ProvidedHook/X509/Sni.php
index 6f20a7df6..10dd7536c 100644
--- a/library/Icingadb/ProvidedHook/X509/Sni.php
+++ b/library/Icingadb/ProvidedHook/X509/Sni.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\ProvidedHook\X509;
 
diff --git a/library/Icingadb/Redis/VolatileStateResults.php b/library/Icingadb/Redis/VolatileStateResults.php
index 5c1994e49..5b498fb35 100644
--- a/library/Icingadb/Redis/VolatileStateResults.php
+++ b/library/Icingadb/Redis/VolatileStateResults.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Redis;
 
diff --git a/library/Icingadb/Setup/ApiTransportPage.php b/library/Icingadb/Setup/ApiTransportPage.php
index e727e9977..659567cc1 100644
--- a/library/Icingadb/Setup/ApiTransportPage.php
+++ b/library/Icingadb/Setup/ApiTransportPage.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Setup;
 
diff --git a/library/Icingadb/Setup/ApiTransportStep.php b/library/Icingadb/Setup/ApiTransportStep.php
index 1e2e905d2..8666bc2db 100644
--- a/library/Icingadb/Setup/ApiTransportStep.php
+++ b/library/Icingadb/Setup/ApiTransportStep.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Setup;
 
diff --git a/library/Icingadb/Setup/DbResourcePage.php b/library/Icingadb/Setup/DbResourcePage.php
index 3c3cbf8d5..f934891c0 100644
--- a/library/Icingadb/Setup/DbResourcePage.php
+++ b/library/Icingadb/Setup/DbResourcePage.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Setup;
 
diff --git a/library/Icingadb/Setup/DbResourceStep.php b/library/Icingadb/Setup/DbResourceStep.php
index 970d367e7..cc6d2b501 100644
--- a/library/Icingadb/Setup/DbResourceStep.php
+++ b/library/Icingadb/Setup/DbResourceStep.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Setup;
 
diff --git a/library/Icingadb/Setup/IcingaDbWizard.php b/library/Icingadb/Setup/IcingaDbWizard.php
index f99f240a2..ce3a1fe86 100644
--- a/library/Icingadb/Setup/IcingaDbWizard.php
+++ b/library/Icingadb/Setup/IcingaDbWizard.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Setup;
 
diff --git a/library/Icingadb/Setup/RedisPage.php b/library/Icingadb/Setup/RedisPage.php
index 69b04bbed..e4330d2c2 100644
--- a/library/Icingadb/Setup/RedisPage.php
+++ b/library/Icingadb/Setup/RedisPage.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Setup;
 
diff --git a/library/Icingadb/Setup/RedisStep.php b/library/Icingadb/Setup/RedisStep.php
index 7f2baabfb..3035468e6 100644
--- a/library/Icingadb/Setup/RedisStep.php
+++ b/library/Icingadb/Setup/RedisStep.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Setup;
 
diff --git a/library/Icingadb/Setup/WelcomePage.php b/library/Icingadb/Setup/WelcomePage.php
index 9f97c7d28..caea5ab61 100644
--- a/library/Icingadb/Setup/WelcomePage.php
+++ b/library/Icingadb/Setup/WelcomePage.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Setup;
 
diff --git a/library/Icingadb/Util/FeatureStatus.php b/library/Icingadb/Util/FeatureStatus.php
index 94bf6d476..352caf547 100644
--- a/library/Icingadb/Util/FeatureStatus.php
+++ b/library/Icingadb/Util/FeatureStatus.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Util;
 
diff --git a/library/Icingadb/Util/ObjectSuggestionsCursor.php b/library/Icingadb/Util/ObjectSuggestionsCursor.php
index 0013b3549..9ab4a2ee3 100644
--- a/library/Icingadb/Util/ObjectSuggestionsCursor.php
+++ b/library/Icingadb/Util/ObjectSuggestionsCursor.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2022 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2022 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Util;
 
diff --git a/library/Icingadb/Util/PerfData.php b/library/Icingadb/Util/PerfData.php
index cc33d1653..62e4ff656 100644
--- a/library/Icingadb/Util/PerfData.php
+++ b/library/Icingadb/Util/PerfData.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Util;
 
diff --git a/library/Icingadb/Util/PerfDataFormat.php b/library/Icingadb/Util/PerfDataFormat.php
index 1caffff08..ab5153746 100644
--- a/library/Icingadb/Util/PerfDataFormat.php
+++ b/library/Icingadb/Util/PerfDataFormat.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Util;
 
diff --git a/library/Icingadb/Util/PerfDataSet.php b/library/Icingadb/Util/PerfDataSet.php
index df3139304..e11c8cc1a 100644
--- a/library/Icingadb/Util/PerfDataSet.php
+++ b/library/Icingadb/Util/PerfDataSet.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Util;
 
diff --git a/library/Icingadb/Util/PluginOutput.php b/library/Icingadb/Util/PluginOutput.php
index 463ea36db..889bb4bde 100644
--- a/library/Icingadb/Util/PluginOutput.php
+++ b/library/Icingadb/Util/PluginOutput.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Util;
 
diff --git a/library/Icingadb/Util/ThresholdRange.php b/library/Icingadb/Util/ThresholdRange.php
index 675697a57..8e886209a 100644
--- a/library/Icingadb/Util/ThresholdRange.php
+++ b/library/Icingadb/Util/ThresholdRange.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Util;
 
diff --git a/library/Icingadb/View/BaseHostAndServiceRenderer.php b/library/Icingadb/View/BaseHostAndServiceRenderer.php
index 91a969a74..e8f1e61d4 100644
--- a/library/Icingadb/View/BaseHostAndServiceRenderer.php
+++ b/library/Icingadb/View/BaseHostAndServiceRenderer.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2025 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2025 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\View;
 
diff --git a/library/Icingadb/View/CommentRenderer.php b/library/Icingadb/View/CommentRenderer.php
index a6f32f8d5..98fc2ee71 100644
--- a/library/Icingadb/View/CommentRenderer.php
+++ b/library/Icingadb/View/CommentRenderer.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2025 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2025 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\View;
 
diff --git a/library/Icingadb/View/DowntimeRenderer.php b/library/Icingadb/View/DowntimeRenderer.php
index d50d147b7..dab6d3b20 100644
--- a/library/Icingadb/View/DowntimeRenderer.php
+++ b/library/Icingadb/View/DowntimeRenderer.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2025 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2025 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\View;
 
diff --git a/library/Icingadb/View/EventRenderer.php b/library/Icingadb/View/EventRenderer.php
index af900b3c0..a762cba68 100644
--- a/library/Icingadb/View/EventRenderer.php
+++ b/library/Icingadb/View/EventRenderer.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2025 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2025 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\View;
 
diff --git a/library/Icingadb/View/HostRenderer.php b/library/Icingadb/View/HostRenderer.php
index 4d618a401..36c6b3fe3 100644
--- a/library/Icingadb/View/HostRenderer.php
+++ b/library/Icingadb/View/HostRenderer.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2025 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2025 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\View;
 
diff --git a/library/Icingadb/View/HostgroupGridRenderer.php b/library/Icingadb/View/HostgroupGridRenderer.php
index f3823e1fb..860681220 100644
--- a/library/Icingadb/View/HostgroupGridRenderer.php
+++ b/library/Icingadb/View/HostgroupGridRenderer.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2025 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2025 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\View;
 
diff --git a/library/Icingadb/View/HostgroupRenderer.php b/library/Icingadb/View/HostgroupRenderer.php
index d0a6c39e0..5800e1fb0 100644
--- a/library/Icingadb/View/HostgroupRenderer.php
+++ b/library/Icingadb/View/HostgroupRenderer.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2025 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2025 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\View;
 
diff --git a/library/Icingadb/View/NotificationRenderer.php b/library/Icingadb/View/NotificationRenderer.php
index 7885a30db..7527e8ca7 100644
--- a/library/Icingadb/View/NotificationRenderer.php
+++ b/library/Icingadb/View/NotificationRenderer.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2025 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2025 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\View;
 
diff --git a/library/Icingadb/View/RedundancyGroupRenderer.php b/library/Icingadb/View/RedundancyGroupRenderer.php
index 8bb6ff5c7..f9e5fe814 100644
--- a/library/Icingadb/View/RedundancyGroupRenderer.php
+++ b/library/Icingadb/View/RedundancyGroupRenderer.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2025 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2025 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\View;
 
diff --git a/library/Icingadb/View/ServiceRenderer.php b/library/Icingadb/View/ServiceRenderer.php
index e2a210602..879bdbbb7 100644
--- a/library/Icingadb/View/ServiceRenderer.php
+++ b/library/Icingadb/View/ServiceRenderer.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2025 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2025 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\View;
 
diff --git a/library/Icingadb/View/ServicegroupGridRenderer.php b/library/Icingadb/View/ServicegroupGridRenderer.php
index cb62cbcd3..4e9fc310f 100644
--- a/library/Icingadb/View/ServicegroupGridRenderer.php
+++ b/library/Icingadb/View/ServicegroupGridRenderer.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2025 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2025 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\View;
 
diff --git a/library/Icingadb/View/ServicegroupRenderer.php b/library/Icingadb/View/ServicegroupRenderer.php
index 56df0e91a..6eed8b4e2 100644
--- a/library/Icingadb/View/ServicegroupRenderer.php
+++ b/library/Icingadb/View/ServicegroupRenderer.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2025 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2025 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\View;
 
diff --git a/library/Icingadb/View/UserRenderer.php b/library/Icingadb/View/UserRenderer.php
index 9fd0952cc..641d3a209 100644
--- a/library/Icingadb/View/UserRenderer.php
+++ b/library/Icingadb/View/UserRenderer.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2025 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2025 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\View;
 
diff --git a/library/Icingadb/View/UsergroupRenderer.php b/library/Icingadb/View/UsergroupRenderer.php
index 4be5059c7..4cc7b489f 100644
--- a/library/Icingadb/View/UsergroupRenderer.php
+++ b/library/Icingadb/View/UsergroupRenderer.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2025 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2025 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\View;
 
diff --git a/library/Icingadb/Web/Control/GridViewModeSwitcher.php b/library/Icingadb/Web/Control/GridViewModeSwitcher.php
index df5524b44..ffc6963a4 100644
--- a/library/Icingadb/Web/Control/GridViewModeSwitcher.php
+++ b/library/Icingadb/Web/Control/GridViewModeSwitcher.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2023 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2023 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Web\Control;
 
diff --git a/library/Icingadb/Web/Control/ProblemToggle.php b/library/Icingadb/Web/Control/ProblemToggle.php
index c5aed82da..e59f982f5 100644
--- a/library/Icingadb/Web/Control/ProblemToggle.php
+++ b/library/Icingadb/Web/Control/ProblemToggle.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Web\Control;
 
diff --git a/library/Icingadb/Web/Control/SearchBar/ObjectSuggestions.php b/library/Icingadb/Web/Control/SearchBar/ObjectSuggestions.php
index 8a8fef25c..662df388c 100644
--- a/library/Icingadb/Web/Control/SearchBar/ObjectSuggestions.php
+++ b/library/Icingadb/Web/Control/SearchBar/ObjectSuggestions.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Web\Control\SearchBar;
 
diff --git a/library/Icingadb/Web/Control/ViewModeSwitcher.php b/library/Icingadb/Web/Control/ViewModeSwitcher.php
index 8068aeeff..ea526c149 100644
--- a/library/Icingadb/Web/Control/ViewModeSwitcher.php
+++ b/library/Icingadb/Web/Control/ViewModeSwitcher.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Web\Control;
 
diff --git a/library/Icingadb/Web/Controller.php b/library/Icingadb/Web/Controller.php
index ba59e0fba..d02add0a4 100644
--- a/library/Icingadb/Web/Controller.php
+++ b/library/Icingadb/Web/Controller.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Web;
 
diff --git a/library/Icingadb/Web/Navigation/Action.php b/library/Icingadb/Web/Navigation/Action.php
index 449e9d207..7ad32f86b 100644
--- a/library/Icingadb/Web/Navigation/Action.php
+++ b/library/Icingadb/Web/Navigation/Action.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Web\Navigation;
 
diff --git a/library/Icingadb/Web/Navigation/IcingadbHostAction.php b/library/Icingadb/Web/Navigation/IcingadbHostAction.php
index a5fc2566b..d6dba45f3 100644
--- a/library/Icingadb/Web/Navigation/IcingadbHostAction.php
+++ b/library/Icingadb/Web/Navigation/IcingadbHostAction.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Web\Navigation;
 
diff --git a/library/Icingadb/Web/Navigation/IcingadbServiceAction.php b/library/Icingadb/Web/Navigation/IcingadbServiceAction.php
index d6239515d..ed0ac3d24 100644
--- a/library/Icingadb/Web/Navigation/IcingadbServiceAction.php
+++ b/library/Icingadb/Web/Navigation/IcingadbServiceAction.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Web\Navigation;
 
diff --git a/library/Icingadb/Web/Navigation/Renderer/HostProblemsBadge.php b/library/Icingadb/Web/Navigation/Renderer/HostProblemsBadge.php
index fc64c7d73..095e4d66b 100644
--- a/library/Icingadb/Web/Navigation/Renderer/HostProblemsBadge.php
+++ b/library/Icingadb/Web/Navigation/Renderer/HostProblemsBadge.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Web\Navigation\Renderer;
 
diff --git a/library/Icingadb/Web/Navigation/Renderer/ProblemsBadge.php b/library/Icingadb/Web/Navigation/Renderer/ProblemsBadge.php
index 5e0f55576..14cdcb6c4 100644
--- a/library/Icingadb/Web/Navigation/Renderer/ProblemsBadge.php
+++ b/library/Icingadb/Web/Navigation/Renderer/ProblemsBadge.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Web\Navigation\Renderer;
 
diff --git a/library/Icingadb/Web/Navigation/Renderer/ServiceProblemsBadge.php b/library/Icingadb/Web/Navigation/Renderer/ServiceProblemsBadge.php
index b2f2cae0d..78df5ed60 100644
--- a/library/Icingadb/Web/Navigation/Renderer/ServiceProblemsBadge.php
+++ b/library/Icingadb/Web/Navigation/Renderer/ServiceProblemsBadge.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Web\Navigation\Renderer;
 
diff --git a/library/Icingadb/Web/Navigation/Renderer/TotalProblemsBadge.php b/library/Icingadb/Web/Navigation/Renderer/TotalProblemsBadge.php
index 703db653f..ef38d8552 100644
--- a/library/Icingadb/Web/Navigation/Renderer/TotalProblemsBadge.php
+++ b/library/Icingadb/Web/Navigation/Renderer/TotalProblemsBadge.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Web\Navigation\Renderer;
 
diff --git a/library/Icingadb/Widget/CheckAttempt.php b/library/Icingadb/Widget/CheckAttempt.php
index 2b358489b..449ce9410 100644
--- a/library/Icingadb/Widget/CheckAttempt.php
+++ b/library/Icingadb/Widget/CheckAttempt.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Widget;
 
diff --git a/library/Icingadb/Widget/DependencyNodeStateBadges.php b/library/Icingadb/Widget/DependencyNodeStateBadges.php
index 6415257d1..11dc0330d 100644
--- a/library/Icingadb/Widget/DependencyNodeStateBadges.php
+++ b/library/Icingadb/Widget/DependencyNodeStateBadges.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2024 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2024 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Widget;
 
diff --git a/library/Icingadb/Widget/DependencyNodeStatistics.php b/library/Icingadb/Widget/DependencyNodeStatistics.php
index d7c3a5d7a..7f096b55d 100644
--- a/library/Icingadb/Widget/DependencyNodeStatistics.php
+++ b/library/Icingadb/Widget/DependencyNodeStatistics.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2024 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2024 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Widget;
 
diff --git a/library/Icingadb/Widget/Detail/CheckStatistics.php b/library/Icingadb/Widget/Detail/CheckStatistics.php
index ff458de57..92bc894a6 100644
--- a/library/Icingadb/Widget/Detail/CheckStatistics.php
+++ b/library/Icingadb/Widget/Detail/CheckStatistics.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Widget\Detail;
 
diff --git a/library/Icingadb/Widget/Detail/CommentDetail.php b/library/Icingadb/Widget/Detail/CommentDetail.php
index 93ef6ce6c..4700a356d 100644
--- a/library/Icingadb/Widget/Detail/CommentDetail.php
+++ b/library/Icingadb/Widget/Detail/CommentDetail.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Widget\Detail;
 
diff --git a/library/Icingadb/Widget/Detail/CustomVarTable.php b/library/Icingadb/Widget/Detail/CustomVarTable.php
index 0aac95c64..3e1e207b3 100644
--- a/library/Icingadb/Widget/Detail/CustomVarTable.php
+++ b/library/Icingadb/Widget/Detail/CustomVarTable.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Widget\Detail;
 
diff --git a/library/Icingadb/Widget/Detail/DowntimeCard.php b/library/Icingadb/Widget/Detail/DowntimeCard.php
index d20c17748..12bf8ece1 100644
--- a/library/Icingadb/Widget/Detail/DowntimeCard.php
+++ b/library/Icingadb/Widget/Detail/DowntimeCard.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Widget\Detail;
 
diff --git a/library/Icingadb/Widget/Detail/DowntimeDetail.php b/library/Icingadb/Widget/Detail/DowntimeDetail.php
index b924e4050..3893ca529 100644
--- a/library/Icingadb/Widget/Detail/DowntimeDetail.php
+++ b/library/Icingadb/Widget/Detail/DowntimeDetail.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Widget\Detail;
 
diff --git a/library/Icingadb/Widget/Detail/EventDetail.php b/library/Icingadb/Widget/Detail/EventDetail.php
index 70ad21a5e..95c9cf219 100644
--- a/library/Icingadb/Widget/Detail/EventDetail.php
+++ b/library/Icingadb/Widget/Detail/EventDetail.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Widget\Detail;
 
diff --git a/library/Icingadb/Widget/Detail/HostDetail.php b/library/Icingadb/Widget/Detail/HostDetail.php
index 4c285d754..f37bb6f57 100644
--- a/library/Icingadb/Widget/Detail/HostDetail.php
+++ b/library/Icingadb/Widget/Detail/HostDetail.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Widget\Detail;
 
diff --git a/library/Icingadb/Widget/Detail/HostInspectionDetail.php b/library/Icingadb/Widget/Detail/HostInspectionDetail.php
index 93b35b842..3ecc747b4 100644
--- a/library/Icingadb/Widget/Detail/HostInspectionDetail.php
+++ b/library/Icingadb/Widget/Detail/HostInspectionDetail.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Widget\Detail;
 
diff --git a/library/Icingadb/Widget/Detail/HostMetaInfo.php b/library/Icingadb/Widget/Detail/HostMetaInfo.php
index 78209aa5b..3c1784af6 100644
--- a/library/Icingadb/Widget/Detail/HostMetaInfo.php
+++ b/library/Icingadb/Widget/Detail/HostMetaInfo.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Widget\Detail;
 
diff --git a/library/Icingadb/Widget/Detail/HostStatistics.php b/library/Icingadb/Widget/Detail/HostStatistics.php
index bcfc3f818..68cd8fcec 100644
--- a/library/Icingadb/Widget/Detail/HostStatistics.php
+++ b/library/Icingadb/Widget/Detail/HostStatistics.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Widget\Detail;
 
diff --git a/library/Icingadb/Widget/Detail/MultiselectQuickActions.php b/library/Icingadb/Widget/Detail/MultiselectQuickActions.php
index aefc6a219..c52ecc328 100644
--- a/library/Icingadb/Widget/Detail/MultiselectQuickActions.php
+++ b/library/Icingadb/Widget/Detail/MultiselectQuickActions.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Widget\Detail;
 
diff --git a/library/Icingadb/Widget/Detail/ObjectDetail.php b/library/Icingadb/Widget/Detail/ObjectDetail.php
index c2b3726ac..7af0d3074 100644
--- a/library/Icingadb/Widget/Detail/ObjectDetail.php
+++ b/library/Icingadb/Widget/Detail/ObjectDetail.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Widget\Detail;
 
diff --git a/library/Icingadb/Widget/Detail/ObjectHeader.php b/library/Icingadb/Widget/Detail/ObjectHeader.php
index 8991ff8fc..8a7755676 100644
--- a/library/Icingadb/Widget/Detail/ObjectHeader.php
+++ b/library/Icingadb/Widget/Detail/ObjectHeader.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2025 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2025 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Widget\Detail;
 
diff --git a/library/Icingadb/Widget/Detail/ObjectStatistics.php b/library/Icingadb/Widget/Detail/ObjectStatistics.php
index 477bf5faa..8b6f79998 100644
--- a/library/Icingadb/Widget/Detail/ObjectStatistics.php
+++ b/library/Icingadb/Widget/Detail/ObjectStatistics.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Widget\Detail;
 
diff --git a/library/Icingadb/Widget/Detail/ObjectsDetail.php b/library/Icingadb/Widget/Detail/ObjectsDetail.php
index a65dfe641..3775b325e 100644
--- a/library/Icingadb/Widget/Detail/ObjectsDetail.php
+++ b/library/Icingadb/Widget/Detail/ObjectsDetail.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Widget\Detail;
 
diff --git a/library/Icingadb/Widget/Detail/PerfDataTable.php b/library/Icingadb/Widget/Detail/PerfDataTable.php
index aaee7c95e..1a2a393e0 100644
--- a/library/Icingadb/Widget/Detail/PerfDataTable.php
+++ b/library/Icingadb/Widget/Detail/PerfDataTable.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Widget\Detail;
 
diff --git a/library/Icingadb/Widget/Detail/QuickActions.php b/library/Icingadb/Widget/Detail/QuickActions.php
index 52eacab86..19e03b28d 100644
--- a/library/Icingadb/Widget/Detail/QuickActions.php
+++ b/library/Icingadb/Widget/Detail/QuickActions.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Widget\Detail;
 
diff --git a/library/Icingadb/Widget/Detail/RedundancyGroupDetail.php b/library/Icingadb/Widget/Detail/RedundancyGroupDetail.php
index 8231830a8..0d3848b85 100644
--- a/library/Icingadb/Widget/Detail/RedundancyGroupDetail.php
+++ b/library/Icingadb/Widget/Detail/RedundancyGroupDetail.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2024 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2024 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Widget\Detail;
 
diff --git a/library/Icingadb/Widget/Detail/ServiceDetail.php b/library/Icingadb/Widget/Detail/ServiceDetail.php
index 613e31e8b..b3ab605b2 100644
--- a/library/Icingadb/Widget/Detail/ServiceDetail.php
+++ b/library/Icingadb/Widget/Detail/ServiceDetail.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Widget\Detail;
 
diff --git a/library/Icingadb/Widget/Detail/ServiceInspectionDetail.php b/library/Icingadb/Widget/Detail/ServiceInspectionDetail.php
index f29ee9bf0..2edeecf88 100644
--- a/library/Icingadb/Widget/Detail/ServiceInspectionDetail.php
+++ b/library/Icingadb/Widget/Detail/ServiceInspectionDetail.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Widget\Detail;
 
diff --git a/library/Icingadb/Widget/Detail/ServiceMetaInfo.php b/library/Icingadb/Widget/Detail/ServiceMetaInfo.php
index faca1f921..c0060b7ed 100644
--- a/library/Icingadb/Widget/Detail/ServiceMetaInfo.php
+++ b/library/Icingadb/Widget/Detail/ServiceMetaInfo.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Widget\Detail;
 
diff --git a/library/Icingadb/Widget/Detail/ServiceStatistics.php b/library/Icingadb/Widget/Detail/ServiceStatistics.php
index eab2ff920..f3ccdc564 100644
--- a/library/Icingadb/Widget/Detail/ServiceStatistics.php
+++ b/library/Icingadb/Widget/Detail/ServiceStatistics.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Widget\Detail;
 
diff --git a/library/Icingadb/Widget/Detail/UserDetail.php b/library/Icingadb/Widget/Detail/UserDetail.php
index 6a8036b8c..9d8077a32 100644
--- a/library/Icingadb/Widget/Detail/UserDetail.php
+++ b/library/Icingadb/Widget/Detail/UserDetail.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Widget\Detail;
 
diff --git a/library/Icingadb/Widget/Detail/UsergroupDetail.php b/library/Icingadb/Widget/Detail/UsergroupDetail.php
index 6ae1cf261..ab200b26b 100644
--- a/library/Icingadb/Widget/Detail/UsergroupDetail.php
+++ b/library/Icingadb/Widget/Detail/UsergroupDetail.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Widget\Detail;
 
diff --git a/library/Icingadb/Widget/Health.php b/library/Icingadb/Widget/Health.php
index 9812ef246..67fe1c95f 100644
--- a/library/Icingadb/Widget/Health.php
+++ b/library/Icingadb/Widget/Health.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Widget;
 
diff --git a/library/Icingadb/Widget/HostStateBadges.php b/library/Icingadb/Widget/HostStateBadges.php
index 8141e82ec..e9316c7c8 100644
--- a/library/Icingadb/Widget/HostStateBadges.php
+++ b/library/Icingadb/Widget/HostStateBadges.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Widget;
 
diff --git a/library/Icingadb/Widget/HostStatusBar.php b/library/Icingadb/Widget/HostStatusBar.php
index f900f7608..9b888f2a4 100644
--- a/library/Icingadb/Widget/HostStatusBar.php
+++ b/library/Icingadb/Widget/HostStatusBar.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Widget;
 
diff --git a/library/Icingadb/Widget/HostSummaryDonut.php b/library/Icingadb/Widget/HostSummaryDonut.php
index 5efcf74d0..11519188c 100644
--- a/library/Icingadb/Widget/HostSummaryDonut.php
+++ b/library/Icingadb/Widget/HostSummaryDonut.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Widget;
 
diff --git a/library/Icingadb/Widget/IconImage.php b/library/Icingadb/Widget/IconImage.php
index fcf25c8e0..9c80fb369 100644
--- a/library/Icingadb/Widget/IconImage.php
+++ b/library/Icingadb/Widget/IconImage.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2022 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2022 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Widget;
 
diff --git a/library/Icingadb/Widget/ItemList/CommandTransportList.php b/library/Icingadb/Widget/ItemList/CommandTransportList.php
index 61d771d1a..8fdfee16e 100644
--- a/library/Icingadb/Widget/ItemList/CommandTransportList.php
+++ b/library/Icingadb/Widget/ItemList/CommandTransportList.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Widget\ItemList;
 
diff --git a/library/Icingadb/Widget/ItemList/CommandTransportListItem.php b/library/Icingadb/Widget/ItemList/CommandTransportListItem.php
index 9873403b5..a04e7f4bd 100644
--- a/library/Icingadb/Widget/ItemList/CommandTransportListItem.php
+++ b/library/Icingadb/Widget/ItemList/CommandTransportListItem.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Widget\ItemList;
 
diff --git a/library/Icingadb/Widget/ItemList/LoadMoreObjectList.php b/library/Icingadb/Widget/ItemList/LoadMoreObjectList.php
index 03db94c55..bb46a3241 100644
--- a/library/Icingadb/Widget/ItemList/LoadMoreObjectList.php
+++ b/library/Icingadb/Widget/ItemList/LoadMoreObjectList.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2025 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2025 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Widget\ItemList;
 
diff --git a/library/Icingadb/Widget/ItemList/ObjectList.php b/library/Icingadb/Widget/ItemList/ObjectList.php
index 95b94f9f4..0ecf8771e 100644
--- a/library/Icingadb/Widget/ItemList/ObjectList.php
+++ b/library/Icingadb/Widget/ItemList/ObjectList.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2025 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2025 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Widget\ItemList;
 
diff --git a/library/Icingadb/Widget/ItemList/PageSeparatorItem.php b/library/Icingadb/Widget/ItemList/PageSeparatorItem.php
index 3e252eb05..e8dedd9cd 100644
--- a/library/Icingadb/Widget/ItemList/PageSeparatorItem.php
+++ b/library/Icingadb/Widget/ItemList/PageSeparatorItem.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Widget\ItemList;
 
diff --git a/library/Icingadb/Widget/ItemList/TicketLinkObjectList.php b/library/Icingadb/Widget/ItemList/TicketLinkObjectList.php
index 251b68495..205801c9b 100644
--- a/library/Icingadb/Widget/ItemList/TicketLinkObjectList.php
+++ b/library/Icingadb/Widget/ItemList/TicketLinkObjectList.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2025 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2025 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Widget\ItemList;
 
diff --git a/library/Icingadb/Widget/ItemTable/BaseStateRowItem.php b/library/Icingadb/Widget/ItemTable/BaseStateRowItem.php
index 642d6b330..e18962907 100644
--- a/library/Icingadb/Widget/ItemTable/BaseStateRowItem.php
+++ b/library/Icingadb/Widget/ItemTable/BaseStateRowItem.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2022 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2022 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Widget\ItemTable;
 
diff --git a/library/Icingadb/Widget/ItemTable/HostItemTable.php b/library/Icingadb/Widget/ItemTable/HostItemTable.php
index e30374662..d8f95de20 100644
--- a/library/Icingadb/Widget/ItemTable/HostItemTable.php
+++ b/library/Icingadb/Widget/ItemTable/HostItemTable.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2022 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2022 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Widget\ItemTable;
 
diff --git a/library/Icingadb/Widget/ItemTable/HostRowItem.php b/library/Icingadb/Widget/ItemTable/HostRowItem.php
index cff70dd5e..7ae52135e 100644
--- a/library/Icingadb/Widget/ItemTable/HostRowItem.php
+++ b/library/Icingadb/Widget/ItemTable/HostRowItem.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2022 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2022 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Widget\ItemTable;
 
diff --git a/library/Icingadb/Widget/ItemTable/ObjectGrid.php b/library/Icingadb/Widget/ItemTable/ObjectGrid.php
index 5890f02d4..ad43cafd7 100644
--- a/library/Icingadb/Widget/ItemTable/ObjectGrid.php
+++ b/library/Icingadb/Widget/ItemTable/ObjectGrid.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2025 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2025 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Widget\ItemTable;
 
diff --git a/library/Icingadb/Widget/ItemTable/ObjectTable.php b/library/Icingadb/Widget/ItemTable/ObjectTable.php
index 0080d2151..c6f9c0607 100644
--- a/library/Icingadb/Widget/ItemTable/ObjectTable.php
+++ b/library/Icingadb/Widget/ItemTable/ObjectTable.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2025 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2025 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Widget\ItemTable;
 
diff --git a/library/Icingadb/Widget/ItemTable/ServiceItemTable.php b/library/Icingadb/Widget/ItemTable/ServiceItemTable.php
index 60872d8aa..8ac13acd1 100644
--- a/library/Icingadb/Widget/ItemTable/ServiceItemTable.php
+++ b/library/Icingadb/Widget/ItemTable/ServiceItemTable.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2022 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2022 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Widget\ItemTable;
 
diff --git a/library/Icingadb/Widget/ItemTable/ServiceRowItem.php b/library/Icingadb/Widget/ItemTable/ServiceRowItem.php
index 0fb95d04e..38fd1d949 100644
--- a/library/Icingadb/Widget/ItemTable/ServiceRowItem.php
+++ b/library/Icingadb/Widget/ItemTable/ServiceRowItem.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2022 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2022 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Widget\ItemTable;
 
diff --git a/library/Icingadb/Widget/ItemTable/StateItemTable.php b/library/Icingadb/Widget/ItemTable/StateItemTable.php
index b128c8ff7..98fa3698c 100644
--- a/library/Icingadb/Widget/ItemTable/StateItemTable.php
+++ b/library/Icingadb/Widget/ItemTable/StateItemTable.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2022 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2022 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Widget\ItemTable;
 
diff --git a/library/Icingadb/Widget/ItemTable/StateRowItem.php b/library/Icingadb/Widget/ItemTable/StateRowItem.php
index 8bd09571c..932b78d7e 100644
--- a/library/Icingadb/Widget/ItemTable/StateRowItem.php
+++ b/library/Icingadb/Widget/ItemTable/StateRowItem.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2022 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2022 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Widget\ItemTable;
 
diff --git a/library/Icingadb/Widget/MarkdownLine.php b/library/Icingadb/Widget/MarkdownLine.php
index 74c413d86..d3af02d75 100644
--- a/library/Icingadb/Widget/MarkdownLine.php
+++ b/library/Icingadb/Widget/MarkdownLine.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Widget;
 
diff --git a/library/Icingadb/Widget/MarkdownText.php b/library/Icingadb/Widget/MarkdownText.php
index 43db03e6d..15779fff1 100644
--- a/library/Icingadb/Widget/MarkdownText.php
+++ b/library/Icingadb/Widget/MarkdownText.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Widget;
 
diff --git a/library/Icingadb/Widget/Notice.php b/library/Icingadb/Widget/Notice.php
index 3ed6dadde..5bf5ba655 100644
--- a/library/Icingadb/Widget/Notice.php
+++ b/library/Icingadb/Widget/Notice.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2022 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2022 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Widget;
 
diff --git a/library/Icingadb/Widget/PluginOutputContainer.php b/library/Icingadb/Widget/PluginOutputContainer.php
index a8ff57891..46b1cdd64 100644
--- a/library/Icingadb/Widget/PluginOutputContainer.php
+++ b/library/Icingadb/Widget/PluginOutputContainer.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Widget;
 
diff --git a/library/Icingadb/Widget/ServiceStateBadges.php b/library/Icingadb/Widget/ServiceStateBadges.php
index fee25864d..8e5c55db5 100644
--- a/library/Icingadb/Widget/ServiceStateBadges.php
+++ b/library/Icingadb/Widget/ServiceStateBadges.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Widget;
 
diff --git a/library/Icingadb/Widget/ServiceStatusBar.php b/library/Icingadb/Widget/ServiceStatusBar.php
index 56f47aa8a..5c7799485 100644
--- a/library/Icingadb/Widget/ServiceStatusBar.php
+++ b/library/Icingadb/Widget/ServiceStatusBar.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Widget;
 
diff --git a/library/Icingadb/Widget/ServiceSummaryDonut.php b/library/Icingadb/Widget/ServiceSummaryDonut.php
index e6b38a103..cafdc3f6a 100644
--- a/library/Icingadb/Widget/ServiceSummaryDonut.php
+++ b/library/Icingadb/Widget/ServiceSummaryDonut.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Widget;
 
diff --git a/library/Icingadb/Widget/ShowMore.php b/library/Icingadb/Widget/ShowMore.php
index d7fc7fb4d..5425fed1c 100644
--- a/library/Icingadb/Widget/ShowMore.php
+++ b/library/Icingadb/Widget/ShowMore.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Widget;
 
diff --git a/library/Icingadb/Widget/StateBadge.php b/library/Icingadb/Widget/StateBadge.php
index d9475906c..72f2b1b02 100644
--- a/library/Icingadb/Widget/StateBadge.php
+++ b/library/Icingadb/Widget/StateBadge.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Widget;
 
diff --git a/library/Icingadb/Widget/StateChange.php b/library/Icingadb/Widget/StateChange.php
index 53677d2c2..366783fab 100644
--- a/library/Icingadb/Widget/StateChange.php
+++ b/library/Icingadb/Widget/StateChange.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Widget;
 
diff --git a/library/Icingadb/Widget/TagList.php b/library/Icingadb/Widget/TagList.php
index bfa47ab83..708f98621 100644
--- a/library/Icingadb/Widget/TagList.php
+++ b/library/Icingadb/Widget/TagList.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 namespace Icinga\Module\Icingadb\Widget;
 
diff --git a/public/css/common.less b/public/css/common.less
index 2b21b271d..16edcee6d 100644
--- a/public/css/common.less
+++ b/public/css/common.less
@@ -1,4 +1,4 @@
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 @exports: {
   @iplWebAssets: "../lib/icinga/icinga-php-library";
diff --git a/public/css/mixins.less b/public/css/mixins.less
index 326bf46cd..e3967c5b4 100644
--- a/public/css/mixins.less
+++ b/public/css/mixins.less
@@ -1,4 +1,4 @@
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 .monospace() {
   font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, monospace;
diff --git a/public/css/widget/performance-data-table.less b/public/css/widget/performance-data-table.less
index 26c18c832..a1dd14cd9 100644
--- a/public/css/widget/performance-data-table.less
+++ b/public/css/widget/performance-data-table.less
@@ -1,4 +1,4 @@
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 .performance-data-table {
   width: 100%;
diff --git a/public/js/action-list.js b/public/js/action-list.js
index d48739048..e3a71eec6 100644
--- a/public/js/action-list.js
+++ b/public/js/action-list.js
@@ -1,4 +1,4 @@
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 ;(function (Icinga) {
 
diff --git a/run.php b/run.php
index f130da980..cfdae2573 100644
--- a/run.php
+++ b/run.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2+ */
 
 /** @var $this \Icinga\Application\Modules\Module */
 
diff --git a/test/php/Lib/PerfdataSetWithPublicData.php b/test/php/Lib/PerfdataSetWithPublicData.php
index 97fcd7abc..0048e719e 100644
--- a/test/php/Lib/PerfdataSetWithPublicData.php
+++ b/test/php/Lib/PerfdataSetWithPublicData.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2023 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2023 Icinga GmbH | GPLv2+ */
 
 namespace Tests\Icinga\Module\Icingadb\Lib;
 
diff --git a/test/php/application/clicommands/MigrateCommandTest.php b/test/php/application/clicommands/MigrateCommandTest.php
index c82a10ed1..cd57cee9d 100644
--- a/test/php/application/clicommands/MigrateCommandTest.php
+++ b/test/php/application/clicommands/MigrateCommandTest.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2023 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2023 Icinga GmbH | GPLv2+ */
 
 namespace Tests\Icinga\Module\Icingadb\Clicommands;
 
diff --git a/test/php/library/Icingadb/Common/MacrosTest.php b/test/php/library/Icingadb/Common/MacrosTest.php
index f998da8f2..7fe8cab60 100644
--- a/test/php/library/Icingadb/Common/MacrosTest.php
+++ b/test/php/library/Icingadb/Common/MacrosTest.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2+ */
 
 namespace Tests\Icinga\Modules\Icingadb\Common;
 
diff --git a/test/php/library/Icingadb/Common/StateBadgesTest.php b/test/php/library/Icingadb/Common/StateBadgesTest.php
index 0b9fd5e22..187770ad6 100644
--- a/test/php/library/Icingadb/Common/StateBadgesTest.php
+++ b/test/php/library/Icingadb/Common/StateBadgesTest.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2023 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2023 Icinga GmbH | GPLv2+ */
 
 namespace Tests\Icinga\Modules\Icingadb\Common;
 
diff --git a/test/php/library/Icingadb/Model/Behavior/FlattenedObjectVarsTest.php b/test/php/library/Icingadb/Model/Behavior/FlattenedObjectVarsTest.php
index 3338609d5..f023ca333 100644
--- a/test/php/library/Icingadb/Model/Behavior/FlattenedObjectVarsTest.php
+++ b/test/php/library/Icingadb/Model/Behavior/FlattenedObjectVarsTest.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2024 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2024 Icinga GmbH | GPLv2+ */
 
 namespace Tests\Icinga\Modules\Icingadb\Model\Behavior;
 
diff --git a/test/php/library/Icingadb/Model/CustomvarFlatTest.php b/test/php/library/Icingadb/Model/CustomvarFlatTest.php
index a69f57800..025df44af 100644
--- a/test/php/library/Icingadb/Model/CustomvarFlatTest.php
+++ b/test/php/library/Icingadb/Model/CustomvarFlatTest.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2023 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2023 Icinga GmbH | GPLv2+ */
 
 namespace Tests\Icinga\Modules\Icingadb\Model;
 
diff --git a/test/php/library/Icingadb/ProvidedHook/IcingaHealthTest.php b/test/php/library/Icingadb/ProvidedHook/IcingaHealthTest.php
index 9a55aea9a..594f90493 100644
--- a/test/php/library/Icingadb/ProvidedHook/IcingaHealthTest.php
+++ b/test/php/library/Icingadb/ProvidedHook/IcingaHealthTest.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2025 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2025 Icinga GmbH | GPLv2+ */
 
 namespace Tests\Icinga\Modules\Icingadb\ProvidedHook;
 
diff --git a/test/php/library/Icingadb/Util/PerfdataSetTest.php b/test/php/library/Icingadb/Util/PerfdataSetTest.php
index 618c29af4..116b9e67f 100644
--- a/test/php/library/Icingadb/Util/PerfdataSetTest.php
+++ b/test/php/library/Icingadb/Util/PerfdataSetTest.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2023 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2023 Icinga GmbH | GPLv2+ */
 
 namespace Tests\Icinga\Module\Icingadb\Util;
 
diff --git a/test/php/library/Icingadb/Util/PerfdataTest.php b/test/php/library/Icingadb/Util/PerfdataTest.php
index 5a63825bf..cf540317a 100644
--- a/test/php/library/Icingadb/Util/PerfdataTest.php
+++ b/test/php/library/Icingadb/Util/PerfdataTest.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2023 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2023 Icinga GmbH | GPLv2+ */
 
 namespace Tests\Icinga\Module\Icingadb\Util;
 
diff --git a/test/php/library/Icingadb/Util/PluginOutputTest.php b/test/php/library/Icingadb/Util/PluginOutputTest.php
index 80d9f8d76..1bac4acc9 100644
--- a/test/php/library/Icingadb/Util/PluginOutputTest.php
+++ b/test/php/library/Icingadb/Util/PluginOutputTest.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2024 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2024 Icinga GmbH | GPLv2+ */
 
 namespace Tests\Icinga\Module\Icingadb\Util;
 
diff --git a/test/php/library/Icingadb/Util/ThresholdRangeTest.php b/test/php/library/Icingadb/Util/ThresholdRangeTest.php
index b191e8804..d31c68410 100644
--- a/test/php/library/Icingadb/Util/ThresholdRangeTest.php
+++ b/test/php/library/Icingadb/Util/ThresholdRangeTest.php
@@ -1,6 +1,6 @@
 <?php
 
-/* Icinga DB Web | (c) 2023 Icinga GmbH | GPLv2 */
+/* Icinga DB Web | (c) 2023 Icinga GmbH | GPLv2+ */
 
 namespace Tests\Icinga\Module\Icingadb\Util;