diff --git a/alerts/charts/Chart.yaml b/alerts/charts/Chart.yaml
index bce697c6..dd5e811a 100644
--- a/alerts/charts/Chart.yaml
+++ b/alerts/charts/Chart.yaml
@@ -8,7 +8,7 @@ maintainers:
 name: alerts
 sources:
   - https://github.com/cloudoperators/greenhouse-extensions
-version: 0.12.1
+version: 0.12.2
 keywords:
   - prometheus-alertmanager
 dependencies:
diff --git a/alerts/charts/values.yaml b/alerts/charts/values.yaml
index ead0a612..52c6eaec 100644
--- a/alerts/charts/values.yaml
+++ b/alerts/charts/values.yaml
@@ -177,6 +177,9 @@ alerts:
         nginx.ingress.kubernetes.io/auth-tls-secret: "{{ $.Release.Namespace }}/{{ $.Release.Namespace }}-ca-bundle"
         nginx.ingress.kubernetes.io/auth-tls-verify-client: "true"
         nginx.ingress.kubernetes.io/auth-tls-verify-depth: "3"
+        nginx.ingress.kubernetes.io/cors-allow-headers: Content-Type
+        nginx.ingress.kubernetes.io/cors-allow-methods: DELETE
+        nginx.ingress.kubernetes.io/enable-cors: "true"
       ingressClassName: nginx
 
     ## Settings affecting alertmanagerSpec
diff --git a/alerts/plugindefinition.yaml b/alerts/plugindefinition.yaml
index 5caa2ba4..f517dbb3 100644
--- a/alerts/plugindefinition.yaml
+++ b/alerts/plugindefinition.yaml
@@ -6,7 +6,7 @@ kind: PluginDefinition
 metadata:
   name: alerts
 spec:
-  version: 2.0.0
+  version: 2.0.1
   weight: 0
   displayName: Alerts
   description: The Alerts Plugin consists of both Prometheus Alertmanager and Supernova, the holistic alert management UI
@@ -15,7 +15,7 @@ spec:
   helmChart:
     name: alerts
     repository: oci://ghcr.io/cloudoperators/greenhouse-extensions/charts
-    version: 0.12.0
+    version: 0.12.2
   uiApplication:
     name: supernova
     version: "latest"