diff --git a/packages/extra/monitoring/Chart.yaml b/packages/extra/monitoring/Chart.yaml
index 301be9ea..ffc79ede 100644
--- a/packages/extra/monitoring/Chart.yaml
+++ b/packages/extra/monitoring/Chart.yaml
@@ -3,4 +3,4 @@ name: monitoring
 description: Monitoring and observability stack
 icon: /logos/monitoring.svg
 type: application
-version: 1.11.0
+version: 1.12.0
diff --git a/packages/extra/monitoring/templates/alerta/alerta.yaml b/packages/extra/monitoring/templates/alerta/alerta.yaml
index 35d580c1..13c37788 100644
--- a/packages/extra/monitoring/templates/alerta/alerta.yaml
+++ b/packages/extra/monitoring/templates/alerta/alerta.yaml
@@ -104,7 +104,8 @@ spec:
                 secretKeyRef:
                   name: alerta-db-app
                   key: uri
-
+            - name: SIGNUP_ENABLED
+              value: "False"
             - name: AUTH_REQUIRED
               value: "True"
 
diff --git a/packages/extra/versions_map b/packages/extra/versions_map
index 9471ff48..beb2c324 100644
--- a/packages/extra/versions_map
+++ b/packages/extra/versions_map
@@ -45,7 +45,8 @@ monitoring 1.9.1 fd240701
 monitoring 1.9.2 f9f8bb2f
 monitoring 1.10.0 632224a3
 monitoring 1.10.1 8c86905b
-monitoring 1.11.0 HEAD
+monitoring 1.11.0 4369b031
+monitoring 1.12.0 HEAD
 seaweedfs 0.1.0 71514249
 seaweedfs 0.2.0 5fb9cfe3
 seaweedfs 0.2.1 fde4bcfa