diff --git a/nexus-repository-manager/values.yaml b/nexus-repository-manager/values.yaml
index 062e75a..4b59ec4 100644
--- a/nexus-repository-manager/values.yaml
+++ b/nexus-repository-manager/values.yaml
@@ -137,7 +137,7 @@ nexus-repository-manager:
   
   persistence:
     enabled: true
-    accessMode: ReadWriteMany
+    accessMode: ReadWriteOnce
     storageClass: longhorn
     storageSize: 20Gi