diff --git a/package.json b/package.json
index 163af174..c8dd88b9 100644
--- a/package.json
+++ b/package.json
@@ -13,7 +13,7 @@
   },
   "private": true,
   "scripts": {
-    "dev": "concurrently \"next dev\" \"npm --prefix packages/design-system run watch\"",
+    "dev": "concurrently \"npm run buildServiceWorker\" \"next dev\" \"npm --prefix packages/design-system run watch\"",
     "prebuild": "npm --prefix packages/design-system run build",
     "build": "npm run buildServiceWorker && next build",
     "buildServiceWorker": "npx esbuild authServiceWorker.ts --bundle --outfile=public/authServiceWorker.js",