diff --git a/packages/webpack5/package.json b/packages/webpack5/package.json
index 258998ce8..b6b562104 100644
--- a/packages/webpack5/package.json
+++ b/packages/webpack5/package.json
@@ -13,7 +13,8 @@
 	"scripts": {
 		"build": "tsc --project tsconfig.build.json",
 		"test": "jest",
-		"prepack": "npm test && npm run build && cp -R src/stubs dist/stubs && chmod +x dist/bin/index.js"
+		"copy-stubs": "mkdirp dist/stubs && cp -R src/stubs/* dist/stubs",
+		"prepack": "npm test && npm run build && npm run copy-stubs && chmod +x dist/bin/index.js"
 	},
 	"dependencies": {
 		"@babel/core": "7.13.14",