diff --git a/typings/socketio/__init__.pyi b/typings/socketio/__init__.pyi
index 59190b9..cb26f36 100644
--- a/typings/socketio/__init__.pyi
+++ b/typings/socketio/__init__.pyi
@@ -33,6 +33,7 @@ class AsyncServer:
     async def leave_room(self, sid: str, room: str) -> None: ...
     def attach(self, app: Any) -> None: ...
     async def disconnect(self, sid: str) -> None: ...
+    def instrument(self, auth: dict[str, str]) -> None: ...
 
 class AsyncClient:
     def __init__(self, json: Any = None): ...