diff --git a/grafana/deployment.yaml b/grafana/deployment.yaml
index e5ab1ae..be9f661 100644
--- a/grafana/deployment.yaml
+++ b/grafana/deployment.yaml
@@ -4,6 +4,7 @@ kind: PersistentVolumeClaim
 metadata:
   name: grafana-pvc
 spec:
+  storageClassName: longhorn
   accessModes:
     - ReadWriteOnce
   resources: