diff --git a/locales/index.d.ts b/locales/index.d.ts
index dea00d783f..90725968fe 100644
--- a/locales/index.d.ts
+++ b/locales/index.d.ts
@@ -1814,6 +1814,10 @@ export interface Locale {
         "write:gallery": string;
         "read:gallery-likes": string;
         "write:gallery-likes": string;
+        "read:flash": string;
+        "write:flash": string;
+        "read:flash-likes": string;
+        "write:flash-likes": string;
     };
     "_auth": {
         "shareAccessTitle": string;
diff --git a/locales/ja-JP.yml b/locales/ja-JP.yml
index d9d227a0b6..670eb3596d 100644
--- a/locales/ja-JP.yml
+++ b/locales/ja-JP.yml
@@ -1732,6 +1732,10 @@ _permissions:
   "write:gallery": "ギャラリーを操作する"
   "read:gallery-likes": "ギャラリーのいいねを見る"
   "write:gallery-likes": "ギャラリーのいいねを操作する"
+  "read:flash": "Playを見る"
+  "write:flash": "Playを操作する"
+  "read:flash-likes": "Playのいいねを見る"
+  "write:flash-likes": "Playのいいねを操作する"
 
 _auth:
   shareAccessTitle: "アプリへのアクセス許可"
diff --git a/packages/misskey-js/src/consts.ts b/packages/misskey-js/src/consts.ts
index 261ecd33f4..2b144ab4a4 100644
--- a/packages/misskey-js/src/consts.ts
+++ b/packages/misskey-js/src/consts.ts
@@ -39,4 +39,8 @@ export const permissions = [
 	'write:gallery',
 	'read:gallery-likes',
 	'write:gallery-likes',
+	'read:flash',
+	'write:flash',
+	'read:flash-likes',
+	'write:flash-likes',
 ];