diff --git a/packages/misskey-js/etc/misskey-js.api.md b/packages/misskey-js/etc/misskey-js.api.md
index 72c236373d..61de8b8c7e 100644
--- a/packages/misskey-js/etc/misskey-js.api.md
+++ b/packages/misskey-js/etc/misskey-js.api.md
@@ -7,6 +7,7 @@
 import type { AuthenticationResponseJSON } from '@simplewebauthn/types';
 import { EventEmitter } from 'eventemitter3';
 import type { PublicKeyCredentialRequestOptionsJSON } from '@simplewebauthn/types';
+import _ReconnectingWebsocket from 'reconnecting-websocket';
 
 // Warning: (ae-forgotten-export) The symbol "components" needs to be exported by the entry point index.d.ts
 //
@@ -3137,7 +3138,7 @@ export class Stream extends EventEmitter<StreamEvents> implements IStream {
     constructor(origin: string, user: {
         token: string;
     } | null, options?: {
-        WebSocket?: WebSocket;
+        WebSocket?: _ReconnectingWebsocket.Options['WebSocket'];
     });
     // (undocumented)
     close(): void;