diff --git a/prometheus-grafana/compose.yaml b/prometheus-grafana/compose.yaml
index 24369bc..7089026 100644
--- a/prometheus-grafana/compose.yaml
+++ b/prometheus-grafana/compose.yaml
@@ -21,5 +21,7 @@ services:
       - GF_SECURITY_ADMIN_PASSWORD=grafana
     volumes:
       - ./grafana:/etc/grafana/provisioning/datasources
+      - graf_data:/var/lib/grafana
 volumes:
   prom_data:
+  graf_data: