diff --git a/kubernetes/main/apps/observability/kube-prometheus-stack/app/helmrelease.yaml b/kubernetes/main/apps/observability/kube-prometheus-stack/app/helmrelease.yaml
index 89ed153c5131c..5e4cefcb257b4 100644
--- a/kubernetes/main/apps/observability/kube-prometheus-stack/app/helmrelease.yaml
+++ b/kubernetes/main/apps/observability/kube-prometheus-stack/app/helmrelease.yaml
@@ -9,7 +9,7 @@ spec:
   chart:
     spec:
       chart: kube-prometheus-stack
-      version: 66.5.0
+      version: 66.6.0
       sourceRef:
         kind: HelmRepository
         name: prometheus-community