diff --git a/ttrss/app-claim1-persistentvolumeclaim.yaml b/ttrss/app-claim1-persistentvolumeclaim.yaml
index e53349e..ada7a9a 100644
--- a/ttrss/app-claim1-persistentvolumeclaim.yaml
+++ b/ttrss/app-claim1-persistentvolumeclaim.yaml
@@ -6,7 +6,7 @@ metadata:
   name: app-claim1
 spec:
   accessModes:
-    - ReadOnlyMany
+    - ReadWriteOnce
   resources:
     requests:
       storage: 100Mi
diff --git a/ttrss/updater-claim1-persistentvolumeclaim.yaml b/ttrss/updater-claim1-persistentvolumeclaim.yaml
index 6989033..442592a 100644
--- a/ttrss/updater-claim1-persistentvolumeclaim.yaml
+++ b/ttrss/updater-claim1-persistentvolumeclaim.yaml
@@ -6,7 +6,7 @@ metadata:
   name: updater-claim1
 spec:
   accessModes:
-    - ReadOnlyMany
+    - ReadWriteOnce
   resources:
     requests:
       storage: 100Mi