diff --git a/package.json b/package.json
index 28c6ce4..2154fe3 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,7 @@
     "css-loader": "0.24.0",
     "egg-bin": "^3.1.0",
     "egg-mock": "^3.2.0",
-    "egg-oauth2-server": "^2.0.6",
+    "egg-oauth2-server": "2.0.6",
     "eslint": "1.8.0",
     "eslint-loader": "1.1.0",
     "extract-text-webpack-plugin": "^2.1.0",