diff --git a/webpack.prod.js b/webpack.prod.js
index 42d48c6..8397558 100644
--- a/webpack.prod.js
+++ b/webpack.prod.js
@@ -26,6 +26,7 @@ module.exports = {
     ]
   },
   plugins: [
+    new webpack.optimize.UglifyJsPlugin(),
     new webpack.optimize.CommonsChunkPlugin({
       name: 'vendor' // Specify the common bundle's name.
     }),