diff --git a/dk-installer.py b/dk-installer.py
index c100cc3..799746e 100755
--- a/dk-installer.py
+++ b/dk-installer.py
@@ -1209,6 +1209,7 @@ def on_action_fail(self, action, args):
 class ObsHelmInstallServicesStep(HelmInstallStep):
     label = "Installing helm charts for supporting services"
     chart_info = HELM_SERVICES
+    values_arg = "svc_values"
 
 
 class ObsHelmInstallPlatformStep(HelmInstallStep):
@@ -1283,6 +1284,7 @@ def on_action_success(self, action, args):
         self._collect_images_sha(action, args)
 
     def on_action_fail(self, action, args):
+        super().on_action_fail(action, args)
         self._collect_images_sha(action, args)
 
     def _collect_images_sha(self, action, args):
@@ -1426,11 +1428,17 @@ def get_parser(self, sub_parsers):
                 "Defaults to '%(default)s'"
             ),
         )
+        parser.add_argument(
+            "--svc-values",
+            type=str,
+            action="store",
+            help="Override values for supporting services Helm install. Specify path to a YAML file or URL.",
+        )
         parser.add_argument(
             "--app-values",
             type=str,
             action="store",
-            help="Override values for Helm app install. Specify path to a YAML file or URL.",
+            help="Override values for app Helm install. Specify path to a YAML file or URL.",
         )
         parser.add_argument(
             "--docker-username",
diff --git a/tests/conftest.py b/tests/conftest.py
index 0714b5a..295f24f 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -181,6 +181,7 @@ def args_mock():
     ns.driver = "docker"
     ns.memory = "4096m"
     ns.helm_timeout = 10
+    ns.svc_values = None
     ns.app_values = None
     ns.docker_username = None
     ns.docker_password = None