diff --git a/stubs/requests/requests/api.pyi b/stubs/requests/requests/api.pyi
index 5578f13a5aca..8032af2b2707 100644
--- a/stubs/requests/requests/api.pyi
+++ b/stubs/requests/requests/api.pyi
@@ -3,9 +3,7 @@ from collections.abc import Mapping
 from typing_extensions import TypeAlias
 
 from .models import Response
-from .sessions import RequestsCookieJar, _Auth, _Cert, _Data, _Files, _HooksInput, _Params, _TextMapping, _Timeout, _Verify
-
-_HeadersMapping: TypeAlias = Mapping[str, str | bytes]
+from .sessions import RequestsCookieJar, _Auth, _Cert, _Data, _Files, _HeadersUpdateMapping as _HeadersMapping, _HooksInput, _Params, _TextMapping, _Timeout, _Verify
 
 def request(
     method: str | bytes,