diff --git a/prometheus/values.yaml b/prometheus/values.yaml
index b63576c..650e76f 100644
--- a/prometheus/values.yaml
+++ b/prometheus/values.yaml
@@ -37,6 +37,8 @@ grafana:
     hosts:
       - grafana.services.yolokube.de
     ingressClassName: nginx
+  persistence:
+    enabled: true
 prometheus-node-exporter:
   prometheus:
     monitor: