diff --git a/clusters/cl01tl/helm/kube-prometheus-stack/values.yaml b/clusters/cl01tl/helm/kube-prometheus-stack/values.yaml
index 07ff6cb8e..52131828a 100644
--- a/clusters/cl01tl/helm/kube-prometheus-stack/values.yaml
+++ b/clusters/cl01tl/helm/kube-prometheus-stack/values.yaml
@@ -98,8 +98,8 @@ kube-prometheus-stack:
             namespace: traefik
     prometheusSpec:
       scrapeInterval: 30s
-      retention: 45d
-      retentionSize: 240GiB
+      retention: 60d
+      retentionSize: 450GiB
       externalUrl: https://prometheus.alexlebens.net
       ruleSelectorNilUsesHelmValues: false
       serviceMonitorSelectorNilUsesHelmValues: false