diff --git a/pg-manual/package.json b/pg-manual/package.json
index 8cf14e3..40b6912 100644
--- a/pg-manual/package.json
+++ b/pg-manual/package.json
@@ -30,7 +30,7 @@
     "util": "^0.12.5"
   },
   "scripts": {
-    "build": "webpack",
-    "dev": "npx webpack serve"
+    "build": "webpack --mode production",
+    "dev": "webpack serve --mode development"
   }
 }
diff --git a/pg-manual/webpack.config.js b/pg-manual/webpack.config.js
index 15ebfc5..5af825f 100644
--- a/pg-manual/webpack.config.js
+++ b/pg-manual/webpack.config.js
@@ -4,11 +4,9 @@ const HtmlWebpackPlugin = require('html-webpack-plugin')
 const webpack = require('webpack')
 
 const dist = path.resolve(__dirname, 'dist')
-const webpackMode = 'development'
 
 module.exports = {
     name: 'examples',
-    mode: webpackMode,
     entry: {
         string: './examples/string.js',
         file: './examples/file.js',