diff --git a/kubernetes/fenrys/apps/observability/kube-prometheus-stack/app/helmrelease.yaml b/kubernetes/fenrys/apps/observability/kube-prometheus-stack/app/helmrelease.yaml
index 0aa1f3074..8b83c4bf1 100644
--- a/kubernetes/fenrys/apps/observability/kube-prometheus-stack/app/helmrelease.yaml
+++ b/kubernetes/fenrys/apps/observability/kube-prometheus-stack/app/helmrelease.yaml
@@ -10,7 +10,7 @@ spec:
   chart:
     spec:
       chart: kube-prometheus-stack
-      version: 66.2.2
+      version: 66.3.0
       sourceRef:
         kind: HelmRepository
         name: prometheus-community
diff --git a/kubernetes/fran/apps/observability/kube-prometheus-stack/app/helmrelease.yaml b/kubernetes/fran/apps/observability/kube-prometheus-stack/app/helmrelease.yaml
index 9635a00bc..caf7367a4 100644
--- a/kubernetes/fran/apps/observability/kube-prometheus-stack/app/helmrelease.yaml
+++ b/kubernetes/fran/apps/observability/kube-prometheus-stack/app/helmrelease.yaml
@@ -10,7 +10,7 @@ spec:
   chart:
     spec:
       chart: kube-prometheus-stack
-      version: 66.2.2
+      version: 66.3.0
       sourceRef:
         kind: HelmRepository
         name: prometheus-community