diff --git a/deploy/grafana/grafana-pvc.yaml b/deploy/grafana/grafana-pvc.yaml
index 0da1d7b..93a3c82 100644
--- a/deploy/grafana/grafana-pvc.yaml
+++ b/deploy/grafana/grafana-pvc.yaml
@@ -6,7 +6,7 @@ metadata:
 spec:
   storageClassName: longhorn
   accessModes:
-    - ReadWriteOnce
+    - ReadWriteMany
   resources:
     requests:
       storage: 5Gi