diff --git a/manifest.json b/manifest.json
index bf78426..36dbe70 100644
--- a/manifest.json
+++ b/manifest.json
@@ -3,6 +3,9 @@
 
     "name": "Indexed Tabs",
     "description": "Shows tab numbers for fast switching",
+    "icons": {
+        "128": "resources/icon128.png"
+    },
     "version": "1.0",
 
     "permissions": [
diff --git a/resources/icon128.png b/resources/icon128.png
new file mode 100644
index 0000000..341634b
Binary files /dev/null and b/resources/icon128.png differ