diff --git a/kubernetes/apps/observability/kube-prometheus-stack/app/helmrelease.yaml b/kubernetes/apps/observability/kube-prometheus-stack/app/helmrelease.yaml
index 768bcb1e..c985c91f 100644
--- a/kubernetes/apps/observability/kube-prometheus-stack/app/helmrelease.yaml
+++ b/kubernetes/apps/observability/kube-prometheus-stack/app/helmrelease.yaml
@@ -10,7 +10,7 @@ spec:
   chart:
     spec:
       chart: kube-prometheus-stack
-      version: 56.21.3
+      version: 56.21.4
       sourceRef:
         kind: HelmRepository
         name: prometheus-community