diff --git a/package.json b/package.json
index 7d5ef3c8d..0d1d82822 100644
--- a/package.json
+++ b/package.json
@@ -52,7 +52,8 @@
     "discord.js-docgen": "hydrabolt/discord.js-docgen",
     "eslint": "^3.19.0",
     "parallel-webpack": "^1.6.0",
-    "uglify-js": "mishoo/UglifyJS2#harmony",
+    "uglify-js": "mishoo/UglifyJS2#harmony-v2.8.22",
+    "uglifyjs-webpack-plugin": "^0.4.3",
     "webpack": "^2.2.0"
   },
   "engines": {
diff --git a/webpack.config.js b/webpack.config.js
index 73e6c43ec..dd4000fd9 100644
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -5,6 +5,7 @@
 
 const webpack = require('webpack');
 const createVariants = require('parallel-webpack').createVariants;
+const UglifyJSPlugin = require('uglifyjs-webpack-plugin');
 const version = require('./package.json').version;
 
 const createConfig = options => {
@@ -12,7 +13,7 @@ const createConfig = options => {
     new webpack.DefinePlugin({ 'global.GENTLY': false }),
   ];
 
-  if (options.minify) plugins.push(new webpack.optimize.UglifyJsPlugin({ minimize: true }));
+  if (options.minify) plugins.push(new UglifyJSPlugin({ minimize: true }));
 
   const filename = `./webpack/discord${process.env.VERSIONED === 'false' ? '' : '.' + version}${options.minify ? '.min' : ''}.js`; // eslint-disable-line