diff --git a/manifest.json b/manifest.json
index 7ff49a7..d734013 100644
--- a/manifest.json
+++ b/manifest.json
@@ -1,7 +1,7 @@
 {
   "name": "Galaxy Tab",
   "version": "1.0",
-  "manifest_version": 2,
+  "manifest_version": 3,
   "description": "",
   "chrome_url_overrides": {
     "newtab": "historygraph.html"