diff --git a/package.json b/package.json
index ec5e0fd..1d8be20 100644
--- a/package.json
+++ b/package.json
@@ -16,10 +16,10 @@
     "babel-preset-es2015": "6.x",
     "babel-preset-react": "6.x",
     "bundle-loader": "^0.5.4",
-    "css-loader": "0.x",
+    "css-loader": "2.0.0",
     "file-loader": "0.x",
     "history": "^1.17.0",
-    "html-webpack-plugin": "2.x",
+    "html-webpack-plugin": "4.0.0",
     "jquery": "3.x",
     "jsx-loader": "~0.13.2",
     "open-browser-webpack-plugin": "0.x",
@@ -28,8 +28,8 @@
     "react-router": "2.x",
     "style-loader": "0.x",
     "url-loader": "~0.5.6",
-    "webpack": "1.x",
-    "webpack-dev-server": "1.x"
+    "webpack": "2.2.0",
+    "webpack-dev-server": "2.11.4"
   },
   "repository": "ruanyf/webpack-demos"
 }