diff --git a/deploy/affine/pvc.yaml b/deploy/affine/pvc.yaml
index e6af6a0..251b38e 100644
--- a/deploy/affine/pvc.yaml
+++ b/deploy/affine/pvc.yaml
@@ -7,7 +7,7 @@ metadata:
 spec:
   storageClassName: longhorn
   accessModes:
-    - ReadWriteMany
+    - ReadWriteOnce
   resources:
     requests:
       storage: 10Gi
@@ -22,7 +22,7 @@ metadata:
 spec:
   storageClassName: longhorn
   accessModes:
-    - ReadWriteMany
+    - ReadWriteOnce
   resources:
     requests:
       storage: 1Gi
\ No newline at end of file