diff --git a/bootstrap/templates/addons/kube-prometheus-stack/app/helmrelease.yaml.j2 b/bootstrap/templates/addons/kube-prometheus-stack/app/helmrelease.yaml.j2
index a3603da05..3c25601fa 100644
--- a/bootstrap/templates/addons/kube-prometheus-stack/app/helmrelease.yaml.j2
+++ b/bootstrap/templates/addons/kube-prometheus-stack/app/helmrelease.yaml.j2
@@ -10,7 +10,7 @@ spec:
   chart:
     spec:
       chart: kube-prometheus-stack
-      version: 58.6.0
+      version: 66.3.0
       sourceRef:
         kind: HelmRepository
         name: prometheus-community
diff --git a/kubernetes/apps/observability/kube-prometheus-stack/app/helmrelease.yaml b/kubernetes/apps/observability/kube-prometheus-stack/app/helmrelease.yaml
index 515f26428..5c8aac834 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: 58.6.0
+      version: 66.3.0
       sourceRef:
         kind: HelmRepository
         name: prometheus-community