diff --git a/cluster/apps/monitoring/kube-prometheus-stack/helm-release.yaml b/cluster/apps/monitoring/kube-prometheus-stack/helm-release.yaml
index 7b3af4a34..71d90682d 100644
--- a/cluster/apps/monitoring/kube-prometheus-stack/helm-release.yaml
+++ b/cluster/apps/monitoring/kube-prometheus-stack/helm-release.yaml
@@ -9,7 +9,7 @@ spec:
   chart:
     spec:
       chart: kube-prometheus-stack
-      version: 39.4.0
+      version: 66.2.1
       sourceRef:
         kind: HelmRepository
         name: prometheus-community-charts
diff --git a/cluster/crds/kube-prometheus-stack/crds.yaml b/cluster/crds/kube-prometheus-stack/crds.yaml
index c0a379533..d07e43981 100644
--- a/cluster/crds/kube-prometheus-stack/crds.yaml
+++ b/cluster/crds/kube-prometheus-stack/crds.yaml
@@ -9,7 +9,7 @@ spec:
   url: https://github.com/prometheus-community/helm-charts.git
   ref:
     # renovate: registryUrl=https://prometheus-community.github.io/helm-charts chart=kube-prometheus-stack
-    tag: kube-prometheus-stack-39.4.0
+    tag: kube-prometheus-stack-66.2.1
   ignore: |
     # exclude all
     /*