diff --git a/package.json b/package.json
index 06fb422..03d911f 100644
--- a/package.json
+++ b/package.json
@@ -6,8 +6,8 @@
   "scripts": {
     "lint": "npx prettier \"src/newsreader/js/**/*.js\" --check",
     "format": "npx prettier \"src/newsreader/js/**/*.js\" --write",
-    "build": "webpack --config webpack.dev.babel.js",
-    "build:prod": "webpack --config webpack.prod.babel.js",
+    "build": "npx webpack --config webpack.dev.babel.js",
+    "build:prod": "npx webpack --config webpack.prod.babel.js",
     "watch": "npx webpack --config webpack.dev.babel.js --watch",
     "test": "npx jest",
     "test:watch": "npm test -- --watch"