diff --git a/package.json b/package.json
index 9693643..991a6e5 100644
--- a/package.json
+++ b/package.json
@@ -11,12 +11,12 @@
     "node": ">=8 <=12"
   },
   "scripts": {
-    "dev:chrome": "cross-env NODE_ENV=development cross-env TARGET_BROWSER=chrome webpack --watch --mode=development",
-    "dev:firefox": "cross-env NODE_ENV=development cross-env TARGET_BROWSER=firefox webpack --watch --mode=development",
-    "dev:opera": "cross-env NODE_ENV=development cross-env TARGET_BROWSER=opera webpack --watch --mode=development",
-    "build:chrome": "cross-env NODE_ENV=production cross-env TARGET_BROWSER=chrome webpack --mode=production",
-    "build:firefox": "cross-env NODE_ENV=production cross-env TARGET_BROWSER=firefox webpack --mode=production",
-    "build:opera": "cross-env NODE_ENV=production cross-env TARGET_BROWSER=opera webpack --mode=production",
+    "dev:chrome": "cross-env NODE_ENV=development cross-env TARGET_BROWSER=chrome webpack --watch",
+    "dev:firefox": "cross-env NODE_ENV=development cross-env TARGET_BROWSER=firefox webpack --watch",
+    "dev:opera": "cross-env NODE_ENV=development cross-env TARGET_BROWSER=opera webpack --watch",
+    "build:chrome": "cross-env NODE_ENV=production cross-env TARGET_BROWSER=chrome webpack",
+    "build:firefox": "cross-env NODE_ENV=production cross-env TARGET_BROWSER=firefox webpack",
+    "build:opera": "cross-env NODE_ENV=production cross-env TARGET_BROWSER=opera webpack",
     "build": "yarn run build:chrome && yarn run build:firefox && yarn run build:opera",
     "lint": "eslint .",
     "lint:fix": "eslint . --fix"
diff --git a/webpack.config.js b/webpack.config.js
index c7d81d0..606117f 100644
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -25,7 +25,7 @@ const getExtensionFileType = browser => {
 };
 
 module.exports = {
-    mode: 'development',
+    mode: process.env.NODE_ENV === 'production' ? 'production' : 'development',
 
     entry: {
         background: './src/scripts/background.js',