diff --git a/manifest.json b/manifest.json
index cb2ce1f..5c3a28c 100644
--- a/manifest.json
+++ b/manifest.json
@@ -1,18 +1,22 @@
-{
-  "manifest_version": 2,
-  "name": "The Snap",
-  "description": "Too many tabs open? Halve your workload.",
-  "version": "1.0",
-  "icons": {
-    "16": "images/gauntlet16.png",
-    "32": "images/gauntlet32.png",
-    "48": "images/gauntlet48.png",
-    "128": "images/gauntlet128.png"
-  },
-  "browser_action": {},
-  "permissions": [ "tabs" ],
-  "background": {
-    "scripts": [ "background.js" ],
-    "persistent": false
-  }
-}
+{
+  "manifest_version": 3,
+  "name": "The Snap",
+  "description": "Too many tabs open? Halve your workload.",
+  "version": "1.1",
+  "icons": {
+    "16": "images/gauntlet16.png",
+    "32": "images/gauntlet32.png",
+    "48": "images/gauntlet48.png",
+    "128": "images/gauntlet128.png"
+  },
+  "author": "rose@tangentfox.com",
+  "action": {},
+  "permissions": [
+    "tabs"
+  ],
+  "background": {
+    "service_worker": "background.js",
+    "scripts": [ "background.js" ],
+    "persistent": true
+  }
+}