diff --git a/locales/index.d.ts b/locales/index.d.ts
index f22b7f1c4a..fd96fd7625 100644
--- a/locales/index.d.ts
+++ b/locales/index.d.ts
@@ -2347,6 +2347,7 @@ export interface Locale {
             "pollEnded": string;
             "receiveFollowRequest": string;
             "followRequestAccepted": string;
+            "roleAssigned": string;
             "achievementEarned": string;
             "app": string;
         };
diff --git a/locales/ja-JP.yml b/locales/ja-JP.yml
index 2185183c98..2c29bd20da 100644
--- a/locales/ja-JP.yml
+++ b/locales/ja-JP.yml
@@ -2250,6 +2250,7 @@ _notification:
     pollEnded: "アンケートが終了"
     receiveFollowRequest: "フォロー申請を受け取った"
     followRequestAccepted: "フォローが受理された"
+    roleAssigned: "ロールが付与された"
     achievementEarned: "実績の獲得"
     app: "連携アプリからの通知"