diff --git a/package-lock.json b/package-lock.json
index bdfeeb834..48cf52315 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "chrome-extension-boilerplate-react",
-  "version": "4.0.0",
+  "version": "4.0.1",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index b8bf505ac..70cad7d2f 100755
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "chrome-extension-boilerplate-react",
-  "version": "4.0.0",
+  "version": "4.0.1",
   "description": "A chrome extension boilerplate built with React 17 and Webpack 5",
   "license": "MIT",
   "repository": {
diff --git a/src/manifest.json b/src/manifest.json
index 93e807b00..ccbac3814 100755
--- a/src/manifest.json
+++ b/src/manifest.json
@@ -2,11 +2,7 @@
   "manifest_version": 3,
   "name": "Chrome Extension with React & Webpack",
   "options_page": "options.html",
-  "background": [
-    {
-      "service_worker": ["background.bundle.js"]
-    }
-  ],
+  "background": { "service_worker": "background.bundle.js" },
   "action": {
     "default_popup": "popup.html",
     "default_icon": "icon-34.png"