diff --git a/composer.json b/composer.json
index 69fefdd..afa78f6 100644
--- a/composer.json
+++ b/composer.json
@@ -13,7 +13,7 @@
   "require": {
     "php": ">=5.4.0",
     "yiisoft/yii2": "~2.0.5",
-    "dungang/yii2-file-storage": "*"
+    "dungang/yii2-file-storage": "~0.0.1"
   },
   "autoload": {
     "psr-4": {