diff --git a/prometheus/values.yaml b/prometheus/values.yaml
index 4ca635c..71bc781 100644
--- a/prometheus/values.yaml
+++ b/prometheus/values.yaml
@@ -108,7 +108,7 @@ grafana:
       header_property: username
       auto_sign_up: true
       headers: Email:X-Authentik-Email, Name:X-Authentik-Name
-      whitelist: 0.0.0.0/0
+      whitelist: 10.1.0.0/16
 prometheus-node-exporter:
   prometheus:
     monitor: