diff --git a/manifest.json b/manifest.json
index c028ad9..a902000 100644
--- a/manifest.json
+++ b/manifest.json
@@ -1,16 +1,17 @@
 {
-  "manifest_version": 2,
+  "manifest_version": 3,
   "name": "Notion Themes",
   "version": "0.0.2",
   "description": "Make your Notion pretty with custom themes.",
-  "permissions": ["storage", "https://notionthemes.netlify.app/"],
+  "permissions": ["storage"],
+  "host_permissions": ["https://notionthemes.netlify.app/"],
   "icons": {
     "16": "icons/16.png",
     "48": "icons/48.png",
     "128": "icons/128.png"
   },
   "background": {
-    "scripts": ["background.js"]
+    "service_worker": "background.js"
   },
   "content_scripts": [
     {
@@ -18,7 +19,7 @@
       "js": ["js/content.js"]
     }
   ],
-  "browser_action": {
+  "action": {
     "default_title": "Choose a theme",
     "default_popup": "popup.html",
     "default_icon": {