diff --git a/public/locales/ja/app.json b/public/locales/ja/app.json
index 19bd95f..a5eda8b 100644
--- a/public/locales/ja/app.json
+++ b/public/locales/ja/app.json
@@ -18,5 +18,9 @@
   "Avatar": "アバター",
   "Accept microphone permissions to join the call.": "通話に参加するには、マイクの許可が必要です。",
   "Audio": "音声",
-  "Advanced": "高度"
+  "Advanced": "高度",
+  "Connection lost": "通信が切断されました",
+  "Confirm password": "パスワードを確認",
+  "Close": "閉じる",
+  "Change layout": "レイアウトを変更"
 }