diff --git a/kube-monitoring/charts/Chart.lock b/kube-monitoring/charts/Chart.lock
index 6d6b8d5bb..d54f24682 100644
--- a/kube-monitoring/charts/Chart.lock
+++ b/kube-monitoring/charts/Chart.lock
@@ -4,9 +4,9 @@ dependencies:
   version: 81.1.0
 - name: kubernetes-operations
   repository: https://cloudoperators.github.io/kubernetes-operations
-  version: 1.2.7
+  version: 1.2.8
 - name: prometheus-blackbox-exporter
   repository: https://prometheus-community.github.io/helm-charts
   version: 11.7.1
-digest: sha256:02712a7920d4f65610a683c021d432a975b9cad73ab717f53387b4bc048f0d77
-generated: "2026-03-05T12:57:27.527925148Z"
+digest: sha256:e598fa4e259267c3a1dc509808a23b6bf2ecada4c73ca681a392e450deef34cf
+generated: "2026-04-08T13:20:08.044988+02:00"
diff --git a/kube-monitoring/charts/Chart.yaml b/kube-monitoring/charts/Chart.yaml
index 493cf7dfd..260216364 100644
--- a/kube-monitoring/charts/Chart.yaml
+++ b/kube-monitoring/charts/Chart.yaml
@@ -9,7 +9,7 @@ maintainers:
 name: kube-monitoring
 sources:
   - https://github.com/cloudoperators/greenhouse-extensions
-version: 10.5.2
+version: 10.5.3
 keywords:
   - operator
   - prometheus
@@ -21,7 +21,7 @@ dependencies:
     version: 81.1.0
   - name: kubernetes-operations
     repository: https://cloudoperators.github.io/kubernetes-operations
-    version: 1.2.7
+    version: 1.2.8
   - name: prometheus-blackbox-exporter
     alias: blackboxExporter
     repository: https://prometheus-community.github.io/helm-charts
diff --git a/kube-monitoring/charts/charts/kubernetes-operations-1.2.7.tgz b/kube-monitoring/charts/charts/kubernetes-operations-1.2.7.tgz
deleted file mode 100644
index 2b39661f4..000000000
Binary files a/kube-monitoring/charts/charts/kubernetes-operations-1.2.7.tgz and /dev/null differ
diff --git a/kube-monitoring/charts/charts/kubernetes-operations-1.2.8.tgz b/kube-monitoring/charts/charts/kubernetes-operations-1.2.8.tgz
new file mode 100644
index 000000000..9dea54604
Binary files /dev/null and b/kube-monitoring/charts/charts/kubernetes-operations-1.2.8.tgz differ
diff --git a/kube-monitoring/plugindefinition.yaml b/kube-monitoring/plugindefinition.yaml
index 01bfd051e..2b9b4fc30 100644
--- a/kube-monitoring/plugindefinition.yaml
+++ b/kube-monitoring/plugindefinition.yaml
@@ -6,7 +6,7 @@ kind: PluginDefinition
 metadata:
   name: kube-monitoring
 spec:
-  version: 11.5.5
+  version: 11.5.6
   displayName: Kubernetes monitoring
   description: Native deployment and management of Prometheus along with Kubernetes cluster monitoring components.
   docMarkDownUrl: https://raw.githubusercontent.com/cloudoperators/greenhouse-extensions/main/kube-monitoring/README.md
@@ -15,7 +15,7 @@ spec:
     # renovate depName=ghcr.io/cloudoperators/greenhouse-extensions/charts/kube-monitoring
     name: kube-monitoring
     repository: oci://ghcr.io/cloudoperators/greenhouse-extensions/charts
-    version: 10.5.2
+    version: 10.5.3
   options:
     - name: global.commonLabels
       description: Labels to add to all resources. This can be used to add a support group or service to all alerts.