diff --git a/src/manifest.json b/src/manifest.json
index 03d0497..52504f8 100644
--- a/src/manifest.json
+++ b/src/manifest.json
@@ -1,23 +1,24 @@
 {
 	"name": "Web Maker",
 	"version": "4.2.0",
-	"manifest_version": 2,
+	"manifest_version": 3,
 	"description": "Blazing fast & offline playground for your web experiments",
 	"homepage_url": "https://webmaker.app",
-	"permissions": ["storage", "tabs", "<all_urls>"],
+	"permissions": ["storage", "tabs"],
 	"optional_permissions": ["downloads"],
-	"content_security_policy": "script-src 'self' filesystem: http://localhost:* https://localhost:* https://apis.google.com https://ajax.googleapis.com https://code.jquery.com https://cdnjs.cloudflare.com https://unpkg.com https://maxcdn.com https://cdn77.com https://maxcdn.bootstrapcdn.com https://cdn.jsdelivr.net/ https://*.stripe.com/ https://builds.framerjs.com/ https://rawgit.com https://wzrd.in https://www.gstatic.com https://semantic-ui.com https://www.google-analytics.com https://cdn.tailwindcss.com 'unsafe-eval'; object-src 'self'",
-	"options_ui": {
-		"page": "options.html",
-		"chrome_style": true
+	"content_security_policy": {
+		"extension_pages": "script-src 'self'; object-src 'self'",
+		"sandbox": "sandbox allow-scripts; scripts-src 'self'  'http://localhost:*' 'https://localhost:*' 'https://apis.google.com' 'https://ajax.googleapis.com' 'https://code.jquery.com' 'https://cdnjs.cloudflare.com' 'https://unpkg.com' 'https://maxcdn.com' 'https://cdn77.com' 'https://maxcdn.bootstrapcdn.com' 'https://cdn.jsdelivr.net/' 'https://*.stripe.com/' 'https://builds.framerjs.com/' 'https://rawgit.com' 'https://wzrd.in' 'https://www.gstatic.com' 'https://semantic-ui.com' 'https://www.google-analytics.com' 'https://cdn.tailwindcss.com'"
 	},
-	"browser_action": {
+	"options_ui": {
+		"page": "options.html"
+	},
+	"action": {
 		"default_title": "Start Web Maker",
 		"default_icon": "icon-16.png"
 	},
 	"background": {
-		"scripts": ["eventPage.js"],
-		"persistent": false
+		"service_worker": "eventPage.js"
 	},
 	"icons": {
 		"16": "icon-16.png",