diff --git a/helm/kube-prometheus-stack/Chart.lock b/helm/kube-prometheus-stack/Chart.lock
index a4d0e2a7..4e4347c5 100644
--- a/helm/kube-prometheus-stack/Chart.lock
+++ b/helm/kube-prometheus-stack/Chart.lock
@@ -1,6 +1,6 @@
 dependencies:
 - name: kube-prometheus-stack
   repository: https://prometheus-community.github.io/helm-charts
-  version: 66.2.1
-digest: sha256:d75bb9ecba6d71f0cf17fbb55561d47d88d0e2770b5668dc006f72d086b32a57
-generated: "2024-11-15T23:01:27.845792703Z"
+  version: 66.5.0
+digest: sha256:b90cda0b787e2dde8e1afe9e0e6efaaded04b6468f46d7963a9f13593ec34403
+generated: "2024-12-13T11:07:31.542311932Z"
diff --git a/helm/kube-prometheus-stack/Chart.yaml b/helm/kube-prometheus-stack/Chart.yaml
index f264b2f0..767bb213 100644
--- a/helm/kube-prometheus-stack/Chart.yaml
+++ b/helm/kube-prometheus-stack/Chart.yaml
@@ -13,7 +13,7 @@ annotations:
   application.giantswarm.io/team: atlas
 dependencies:
   - name: kube-prometheus-stack
-    version: 66.2.1
+    version: 66.5.0
     repository: https://prometheus-community.github.io/helm-charts
 sources:
   - "https://github.com/prometheus-community/helm-charts/tree/main/charts/kube-prometheus-stack"