diff --git a/kubernetes/main/apps/monitoring/kube-prometheus-stack/app/helmrelease.yaml b/kubernetes/main/apps/monitoring/kube-prometheus-stack/app/helmrelease.yaml
index e7fcb6a6c..6d97ef595 100644
--- a/kubernetes/main/apps/monitoring/kube-prometheus-stack/app/helmrelease.yaml
+++ b/kubernetes/main/apps/monitoring/kube-prometheus-stack/app/helmrelease.yaml
@@ -11,7 +11,7 @@ spec:
   chart:
     spec:
       chart: kube-prometheus-stack
-      version: 56.17.0
+      version: 56.21.3
       sourceRef:
         kind: HelmRepository
         name: prometheus-community