diff --git a/stdlib/enum.pyi b/stdlib/enum.pyi
index 1d216b90b6b7..f416f38177cc 100644
--- a/stdlib/enum.pyi
+++ b/stdlib/enum.pyi
@@ -116,9 +116,9 @@ class EnumMeta(type):
     if sys.version_info >= (3, 12):
         def __contains__(self: type[Any], value: object) -> bool: ...
     elif sys.version_info >= (3, 11):
-        def __contains__(self: type[Any], member: object) -> bool: ...
+        def __contains__(self: type[Any], member: Enum) -> bool: ...
     else:
-        def __contains__(self: type[Any], obj: object) -> bool: ...
+        def __contains__(self: type[Any], obj: Enum) -> bool: ...
 
     def __getitem__(self: type[_EnumMemberT], name: str) -> _EnumMemberT: ...
     @_builtins_property