diff --git a/storage/v1/stream_store.go b/storage/v1/stream_store.go
index 8801676..9ec8e99 100644
--- a/storage/v1/stream_store.go
+++ b/storage/v1/stream_store.go
@@ -94,7 +94,7 @@ func (ss *streamStore) updateFile() error {
 		return err
 	}
 
-	ioutil.WriteFile(path.Join(ss.storeDirectory, fmt.Sprintf("%s.%d", ss.filenameBase, 0)), encryptedMsgs, 0700)
+	ioutil.WriteFile(path.Join(ss.storeDirectory, fmt.Sprintf("%s.%d", ss.filenameBase, 0)), encryptedMsgs, 0600)
 	return nil
 }