diff --git a/extension/icons/icon128.png b/extension/icons/icon128.png
index b381505..e7e1986 100644
Binary files a/extension/icons/icon128.png and b/extension/icons/icon128.png differ
diff --git a/extension/icons/icon16.png b/extension/icons/icon16.png
deleted file mode 100644
index b381505..0000000
Binary files a/extension/icons/icon16.png and /dev/null differ
diff --git a/extension/icons/icon48.png b/extension/icons/icon48.png
deleted file mode 100644
index b381505..0000000
Binary files a/extension/icons/icon48.png and /dev/null differ
diff --git a/extension/manifest.json b/extension/manifest.json
index f375f55..a0af734 100644
--- a/extension/manifest.json
+++ b/extension/manifest.json
@@ -17,8 +17,8 @@
   "action": {
     "default_popup": "popup.html",
     "default_icon": {
-      "16": "icons/icon16.png",
-      "48": "icons/icon48.png",
+      "16": "icons/icon128.png",
+      "48": "icons/icon128.png",
       "128": "icons/icon128.png"
     }
   },
@@ -44,8 +44,8 @@
     }
   ],
   "icons": {
-    "16": "icons/icon16.png",
-    "48": "icons/icon48.png",
+    "16": "icons/icon128.png",
+    "48": "icons/icon128.png",
     "128": "icons/icon128.png"
   }
 }