diff --git a/server/charts/server/values.yaml b/server/charts/server/values.yaml
index eec400c..43d5933 100644
--- a/server/charts/server/values.yaml
+++ b/server/charts/server/values.yaml
@@ -48,7 +48,7 @@ persistence:
   storageClass: "longhorn"
   existingClaim: ""
   enabled: true 
-  accessMode: ReadWriteMany
+  accessMode: ReadWriteOnce
   size: 2Gi
   additionalVolumes: []
   additionalMounts: []