diff --git a/stubs/Flask-SocketIO/flask_socketio/test_client.pyi b/stubs/Flask-SocketIO/flask_socketio/test_client.pyi
index 5eed62099a03..bf9acc371f82 100644
--- a/stubs/Flask-SocketIO/flask_socketio/test_client.pyi
+++ b/stubs/Flask-SocketIO/flask_socketio/test_client.pyi
@@ -1,5 +1,5 @@
-from collections.abc import Callable
 from typing import Any, TypedDict
+from collections.abc import Callable
 
 from flask import Flask
 from flask.testing import FlaskClient
@@ -35,9 +35,5 @@ class SocketIOTestClient:
         self,
         data: Any,
         json: bool = False,
-        namespace: str | None = None,
-        include_self: bool = True,
-        skip_sid: list[str] | str | None = None,
-        callback: Callable[..., Any] | None = None,
-        **kwargs,
-    ): ...
+        callback: Callable[..., Any] | Any = False,
+        namespace: str | None = None): ...
diff --git a/tests/stubtest_allowlists/py3_common.txt b/tests/stubtest_allowlists/py3_common.txt
index a7db8a2a877e..6a6572b14d86 100644
--- a/tests/stubtest_allowlists/py3_common.txt
+++ b/tests/stubtest_allowlists/py3_common.txt
@@ -39,6 +39,7 @@ ctypes.memmove  # CFunctionType
 ctypes.memset  # CFunctionType
 ctypes.string_at  # docstring argument name is wrong
 ctypes.wstring_at  # docstring argument name is wrong
+flask_socketio.test_client.SocketIOTestClient.clients     # private attribute, not present in docs
 fractions.Fraction.__new__  # overload is too complicated for stubtest to resolve
 ftplib.FTP.trust_server_pasv_ipv4_address  # Dangerous to use, intentionally undocumented, intentionally missing from typeshed. #6154
 functools.cached_property.__set__  # Stub is a white lie; see comments in the stub