diff --git a/cluster/apps/monitoring/kube-prometheus-stack/helm-release.yaml b/cluster/apps/monitoring/kube-prometheus-stack/helm-release.yaml
index e5af7d1..cb79a80 100644
--- a/cluster/apps/monitoring/kube-prometheus-stack/helm-release.yaml
+++ b/cluster/apps/monitoring/kube-prometheus-stack/helm-release.yaml
@@ -8,7 +8,7 @@ spec:
   chart:
     spec:
       chart: kube-prometheus-stack
-      version: "56.15.0"
+      version: "56.21.4"
       sourceRef:
         kind: HelmRepository
         name: prometheus-community-charts