diff --git a/clusters/cl01tl/helm/kube-prometheus-stack/Chart.yaml b/clusters/cl01tl/helm/kube-prometheus-stack/Chart.yaml
index 58860c381..869040a96 100644
--- a/clusters/cl01tl/helm/kube-prometheus-stack/Chart.yaml
+++ b/clusters/cl01tl/helm/kube-prometheus-stack/Chart.yaml
@@ -31,4 +31,4 @@ dependencies:
     repository: oci://harbor.alexlebens.net/helm-charts
 icon: https://cdn.jsdelivr.net/gh/selfhst/icons/png/prometheus.png
 # renovate: datasource=github-releases depName=prometheus-operator/prometheus-operator
-appVersion: v0.87.1
+appVersion: v0.88.0
diff --git a/clusters/cl01tl/helm/prometheus-operator-crds/Chart.yaml b/clusters/cl01tl/helm/prometheus-operator-crds/Chart.yaml
index 29aac5c0d..5c8cb19c3 100644
--- a/clusters/cl01tl/helm/prometheus-operator-crds/Chart.yaml
+++ b/clusters/cl01tl/helm/prometheus-operator-crds/Chart.yaml
@@ -19,4 +19,4 @@ dependencies:
     repository: oci://ghcr.io/prometheus-community/charts
 icon: https://cdn.jsdelivr.net/gh/selfhst/icons/png/prometheus.png
 # renovate: datasource=github-releases depName=prometheus-operator/prometheus-operator
-appVersion: v0.87.1
+appVersion: v0.88.0