diff --git a/stdlib/typing.pyi b/stdlib/typing.pyi
index d06b081d3..2cbb7c812 100644
--- a/stdlib/typing.pyi
+++ b/stdlib/typing.pyi
@@ -766,6 +766,7 @@ if sys.version_info >= (3, 11):
         eq_default: bool = True,
         order_default: bool = False,
         kw_only_default: bool = False,
+        frozen_default: bool = False,  # on 3.11, runtime accepts it as part of kwargs
         field_specifiers: tuple[type[Any] | Callable[..., Any], ...] = ...,
         **kwargs: Any,
     ) -> IdentityFunction: ...
diff --git a/stdlib/typing_extensions.pyi b/stdlib/typing_extensions.pyi
index bf3892d57..7fced5ecd 100644
--- a/stdlib/typing_extensions.pyi
+++ b/stdlib/typing_extensions.pyi
@@ -226,6 +226,7 @@ else:
         eq_default: bool = True,
         order_default: bool = False,
         kw_only_default: bool = False,
+        frozen_default: bool = False,
         field_specifiers: tuple[type[Any] | Callable[..., Any], ...] = ...,
         **kwargs: object,
     ) -> IdentityFunction: ...