diff --git a/manifest.json b/manifest.json
index 5a5525e..1ae3da1 100644
--- a/manifest.json
+++ b/manifest.json
@@ -2,7 +2,7 @@
     "manifest_version": 2,
     "name": "ND-remove-unvisible",
     "description": "Netduettoの非公開ルームをルームから除去します。 Netduetto extension for remove unvisible rooms from room list.",
-    "version": "2.0.0",
+    "version": "2.2.0",
     "icons": {
       "16": "icon_16.png"
     },