diff --git a/app/webpack.prod.config.js b/app/webpack.prod.config.js
index db7e6dfdb5..aaae8b1022 100644
--- a/app/webpack.prod.config.js
+++ b/app/webpack.prod.config.js
@@ -6,6 +6,8 @@
 const merge = require('webpack-merge').default;
 const config = require('./webpack.config');
 const WPPlugin = require('@jupyterlab/builder').WPPlugin;
+const TerserPlugin = require('terser-webpack-plugin');
+
 
 config[0] = merge(config[0], {
   mode: 'production',
@@ -16,8 +18,23 @@ config[0] = merge(config[0], {
     filename: '[name].[contenthash].js?v=[contenthash]',
   },
   optimization: {
-    minimize: false,
-  },
+  minimize: true,
+  minimizer: [
+    new TerserPlugin({
+      parallel: true,
+      terserOptions: {
+        compress: false,
+        ecma: 6,
+        mangle: true,
+        output: {
+          beautify: false,
+          comments: false
+        },
+        safari10: true
+      }
+    })
+  ]
+},
   plugins: [
     new WPPlugin.JSONLicenseWebpackPlugin({
       excludedPackageTest: (packageName) =>