diff --git a/magnum_ui/static/dashboard/container-infra/cluster-templates/update/update.service.js b/magnum_ui/static/dashboard/container-infra/cluster-templates/update/update.service.js
index 6d7eb017..e905f987 100644
--- a/magnum_ui/static/dashboard/container-infra/cluster-templates/update/update.service.js
+++ b/magnum_ui/static/dashboard/container-infra/cluster-templates/update/update.service.js
@@ -71,6 +71,8 @@
           ? response.data.server_type : "";
         config.model.public = response.data.public
           ? response.data.public : false;
+        config.model.hidden = response.data.hidden
+          ? response.data.hidden : false;
         config.model.registry_enabled = response.data.registry_enabled
           ? response.data.registry_enabled : false;
         config.model.tls_disabled = response.data.tls_disabled
diff --git a/magnum_ui/static/dashboard/container-infra/cluster-templates/workflow/workflow.service.js b/magnum_ui/static/dashboard/container-infra/cluster-templates/workflow/workflow.service.js
index 15e7235c..29bd5e00 100644
--- a/magnum_ui/static/dashboard/container-infra/cluster-templates/workflow/workflow.service.js
+++ b/magnum_ui/static/dashboard/container-infra/cluster-templates/workflow/workflow.service.js
@@ -110,6 +110,10 @@
             title: gettext('Public'),
             type: 'boolean'
           },
+          'hidden': {
+            title: gettext('Hidden'),
+            type: 'boolean'
+          },
           'registry_enabled': {
             title: gettext('Enable Registry'),
             type: 'boolean'
@@ -269,13 +273,15 @@
                     {
                       key: 'public'
                     },
+                    {
+                      key: 'hidden'
+                    },
                     {
                       key: 'registry_enabled'
                     },
                     {
                       key: 'tls_disabled'
                     }
-
                   ]
                 }
               ],
@@ -467,6 +473,7 @@
         coe: "",
         server_type: "",
         public: "",
+        hidden: "",
         registry_enabled: "",
         tls_disabled: "",
         image_id: "",
diff --git a/releasenotes/notes/bugfix-cluster-template-hidden-arg-38909eaa92bd8d56.yaml b/releasenotes/notes/bugfix-cluster-template-hidden-arg-38909eaa92bd8d56.yaml
new file mode 100644
index 00000000..8fff36f8
--- /dev/null
+++ b/releasenotes/notes/bugfix-cluster-template-hidden-arg-38909eaa92bd8d56.yaml
@@ -0,0 +1,5 @@
+---
+fixes:
+  - |
+    Fix an issue where a user was unable to create or update a cluster template
+    on Horizon due to missing hidden option expected by the API.