diff --git a/kubernetes/apps/observability/kube-prometheus-stack/app/helmrelease.yaml b/kubernetes/apps/observability/kube-prometheus-stack/app/helmrelease.yaml
index 4bb957a8..79472c21 100644
--- a/kubernetes/apps/observability/kube-prometheus-stack/app/helmrelease.yaml
+++ b/kubernetes/apps/observability/kube-prometheus-stack/app/helmrelease.yaml
@@ -9,7 +9,7 @@ spec:
   chart:
     spec:
       chart: kube-prometheus-stack
-      version: 65.8.1
+      version: 66.3.1
       sourceRef:
         kind: HelmRepository
         name: prometheus-community