diff --git a/kubernetes/cluster-0/apps/monitoring/kube-prometheus-stack/helm-release.yaml b/kubernetes/cluster-0/apps/monitoring/kube-prometheus-stack/helm-release.yaml
index 47a521b7e..dee24f395 100644
--- a/kubernetes/cluster-0/apps/monitoring/kube-prometheus-stack/helm-release.yaml
+++ b/kubernetes/cluster-0/apps/monitoring/kube-prometheus-stack/helm-release.yaml
@@ -9,7 +9,7 @@ spec:
   chart:
     spec:
       chart: kube-prometheus-stack
-      version: 42.2.0
+      version: 42.2.1
       sourceRef:
         kind: HelmRepository
         name: prometheus-community
diff --git a/kubernetes/flux/flux-prereqs.yaml b/kubernetes/flux/flux-prereqs.yaml
index 56ec39e5e..13d26d55d 100644
--- a/kubernetes/flux/flux-prereqs.yaml
+++ b/kubernetes/flux/flux-prereqs.yaml
@@ -9,7 +9,7 @@ spec:
   url: https://github.com/prometheus-community/helm-charts.git
   ref:
     # renovate: registryUrl=https://prometheus-community.github.io/helm-charts chart=kube-prometheus-stack
-    tag: kube-prometheus-stack-42.2.0
+    tag: kube-prometheus-stack-42.2.1
   ignore: |
     # exclude all
     /*