diff --git a/playwright/async_api/_generated.py b/playwright/async_api/_generated.py
index ee968c000..3730d8127 100644
--- a/playwright/async_api/_generated.py
+++ b/playwright/async_api/_generated.py
@@ -1148,6 +1148,7 @@ def is_closed(self) -> bool:
 
 
 class WebSocketRoute(AsyncBase):
+
     @property
     def url(self) -> str:
         """WebSocketRoute.url
diff --git a/playwright/sync_api/_generated.py b/playwright/sync_api/_generated.py
index 63c093e57..773c763dd 100644
--- a/playwright/sync_api/_generated.py
+++ b/playwright/sync_api/_generated.py
@@ -1144,6 +1144,7 @@ def is_closed(self) -> bool:
 
 
 class WebSocketRoute(SyncBase):
+
     @property
     def url(self) -> str:
         """WebSocketRoute.url
diff --git a/scripts/expected_api_mismatch.txt b/scripts/expected_api_mismatch.txt
index cc4c1c85f..c6b3c7a95 100644
--- a/scripts/expected_api_mismatch.txt
+++ b/scripts/expected_api_mismatch.txt
@@ -18,5 +18,5 @@ Parameter type mismatch in Page.add_locator_handler(handler=): documented as Cal
 
 Parameter type mismatch in BrowserContext.route_web_socket(handler=): documented as Callable[[WebSocketRoute], Union[Any, Any]], code has Callable[[WebSocketRoute], Any]
 Parameter type mismatch in Page.route_web_socket(handler=): documented as Callable[[WebSocketRoute], Union[Any, Any]], code has Callable[[WebSocketRoute], Any]
-Parameter type mismatch in WebSocketRoute.on_close(handler=): documented as Callable[[Union[number, undefined]], Union[Any, Any]], code has Callable[[Union[int, None], Union[str, None]], Any]
+Parameter type mismatch in WebSocketRoute.on_close(handler=): documented as Callable[[Union[int, undefined]], Union[Any, Any]], code has Callable[[Union[int, None], Union[str, None]], Any]
 Parameter type mismatch in WebSocketRoute.on_message(handler=): documented as Callable[[str], Union[Any, Any]], code has Callable[[Union[bytes, str]], Any]
diff --git a/setup.py b/setup.py
index c61bc053e..8a67ab2c8 100644
--- a/setup.py
+++ b/setup.py
@@ -30,7 +30,7 @@
     InWheel = None
 from wheel.bdist_wheel import bdist_wheel as BDistWheelCommand
 
-driver_version = "1.48.0-beta-1728034490000"
+driver_version = "1.48.1"
 
 
 def extractall(zip: zipfile.ZipFile, path: str) -> None: