diff --git a/clusters/base/apps/radicale/helmrelease.yaml b/clusters/base/apps/radicale/helmrelease.yaml
index b44266b..25871ba 100644
--- a/clusters/base/apps/radicale/helmrelease.yaml
+++ b/clusters/base/apps/radicale/helmrelease.yaml
@@ -67,7 +67,7 @@ spec:
             readOnly: true
       data:
         type: persistentVolumeClaim
-        accessMode: ReadWriteOnce
+        accessMode: ReadWriteMany
         size: 1Gi
         storageClass: longhorn
         retain: true