diff --git a/group_vars/matrix_servers b/group_vars/matrix_servers
index 6881032b5..7f1976615 100755
--- a/group_vars/matrix_servers
+++ b/group_vars/matrix_servers
@@ -741,7 +741,7 @@ devture_systemd_service_manager_services_list_auto: |
     ([{
       'name': (prometheus_identifier + '.service'),
       'priority': 4000,
-      'restart_necessary': true,
+      'restart_necessary': (prometheus_restart_necessary | bool),
       'groups': ['matrix', 'monitoring', 'prometheus'],
     }] if prometheus_enabled else [])
     +
diff --git a/requirements.yml b/requirements.yml
index dd58f1197..78f278afc 100644
--- a/requirements.yml
+++ b/requirements.yml
@@ -63,7 +63,7 @@
   version: v18-0
   name: postgres_backup
 - src: git+https://github.com/mother-of-all-self-hosting/ansible-role-prometheus.git
-  version: v3.9.1-0
+  version: v3.9.1-1
   name: prometheus
 - src: git+https://github.com/mother-of-all-self-hosting/ansible-role-prometheus-nginxlog-exporter.git
   version: v1.10.0-0