diff --git a/composer.json b/composer.json
index 399af372..bf5699c6 100644
--- a/composer.json
+++ b/composer.json
@@ -32,7 +32,7 @@
 		"ext-fileinfo":"*",
 		"ext-gd":"*",
 		"topthink/think-captcha":"1.*",
-		"phpgangsta/googleauthenticator": "*",
+		"phpgangsta/googleauthenticator": "@dev",
 		"endroid/qrcode": "1.*",
 		"aliyuncs/oss-sdk-php": "~2.0",
 		"sabre/dav":"~3.2.0",