diff --git a/stubs/requests/requests/sessions.pyi b/stubs/requests/requests/sessions.pyi
index 524f5d14a..f5abcba0b 100644
--- a/stubs/requests/requests/sessions.pyi
+++ b/stubs/requests/requests/sessions.pyi
@@ -78,7 +78,7 @@ class Session(SessionRedirectMixin):
     def __init__(self) -> None: ...
     def __enter__(self: _SessionT) -> _SessionT: ...
     def __exit__(self, *args) -> None: ...
-    def prepare_request(self, request): ...
+    def prepare_request(self, request: Request) -> PreparedRequest: ...
     def request(
         self,
         method: str,
@@ -230,7 +230,7 @@ class Session(SessionRedirectMixin):
     ) -> Response: ...
     def send(self, request: PreparedRequest, **kwargs) -> Response: ...
     def merge_environment_settings(self, url, proxies, stream, verify, cert): ...
-    def get_adapter(self, url): ...
+    def get_adapter(self, url: str) -> BaseAdapter: ...
     def close(self) -> None: ...
     def mount(self, prefix: Text | bytes, adapter: BaseAdapter) -> None: ...