diff --git a/composer.json b/composer.json
index 0ad5e2cd..afb6e139 100644
--- a/composer.json
+++ b/composer.json
@@ -22,7 +22,7 @@
     "golonka/bbcodeparser": "dev-master",
     "smarty/smarty": "^3.1",
     "smarty-gettext/smarty-gettext": "^1.5.1",
-    "tecnickcom/tcpdf": "v6.4.4",
+    "tecnickcom/tcpdf": "v6.7.4",
     "slim/slim": "3.*",
     "ircmaxell/password-compat": "1.*",
     "snapappointments/bootstrap-select": "1.*",
diff --git a/composer.lock b/composer.lock
index 3d6f5ef5..9b910c7a 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "ef6b810d64d5168e660a2428a008e057",
+    "content-hash": "378842abd179191da09649dd9ecbf54a",
     "packages": [
         {
             "name": "components/jquery",
@@ -832,20 +832,20 @@
         },
         {
             "name": "tecnickcom/tcpdf",
-            "version": "6.4.4",
+            "version": "6.7.4",
             "source": {
                 "type": "git",
                 "url": "https://github.com/tecnickcom/TCPDF.git",
-                "reference": "42cd0f9786af7e5db4fcedaa66f717b0d0032320"
+                "reference": "d4adef47ca21c90e6483d59dcb9e5b1023696937"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/tecnickcom/TCPDF/zipball/42cd0f9786af7e5db4fcedaa66f717b0d0032320",
-                "reference": "42cd0f9786af7e5db4fcedaa66f717b0d0032320",
+                "url": "https://api.github.com/repos/tecnickcom/TCPDF/zipball/d4adef47ca21c90e6483d59dcb9e5b1023696937",
+                "reference": "d4adef47ca21c90e6483d59dcb9e5b1023696937",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.3.0"
+                "php": ">=5.5.0"
             },
             "type": "library",
             "autoload": {
@@ -870,7 +870,7 @@
             },
             "notification-url": "https://packagist.org/downloads/",
             "license": [
-                "LGPL-3.0-only"
+                "LGPL-3.0-or-later"
             ],
             "authors": [
                 {
@@ -892,7 +892,7 @@
             ],
             "support": {
                 "issues": "https://github.com/tecnickcom/TCPDF/issues",
-                "source": "https://github.com/tecnickcom/TCPDF/tree/6.4.4"
+                "source": "https://github.com/tecnickcom/TCPDF/tree/6.7.4"
             },
             "funding": [
                 {
@@ -900,7 +900,7 @@
                     "type": "custom"
                 }
             ],
-            "time": "2021-12-31T08:39:24+00:00"
+            "time": "2024-03-25T23:56:24+00:00"
         }
     ],
     "packages-dev": [
@@ -1328,5 +1328,5 @@
     "platform-overrides": {
         "php": "7.0.10"
     },
-    "plugin-api-version": "2.3.0"
+    "plugin-api-version": "2.6.0"
 }