diff --git a/functions/render/200-kube-prometheus-stack.yaml.gotmpl b/functions/render/200-kube-prometheus-stack.yaml.gotmpl
index 78ace86..6706709 100644
--- a/functions/render/200-kube-prometheus-stack.yaml.gotmpl
+++ b/functions/render/200-kube-prometheus-stack.yaml.gotmpl
@@ -25,7 +25,7 @@ spec:
       name: kube-prometheus-stack
       repository: https://prometheus-community.github.io/helm-charts
       # renovate: datasource=helm depName=kube-prometheus-stack registryUrl=https://prometheus-community.github.io/helm-charts
-      version: 91.0.0
+      version: 91.2.1
     namespace: {{ $kps.namespace }}
     {{- if $kps.overrideAllValues }}
     values: