diff --git a/stdlib/enum.pyi b/stdlib/enum.pyi
index 327b13545..eb7d2e381 100644
--- a/stdlib/enum.pyi
+++ b/stdlib/enum.pyi
@@ -219,6 +219,11 @@ class Enum(metaclass=EnumMeta):
     if sys.version_info >= (3, 12) and sys.version_info < (3, 14):
         @classmethod
         def __signature__(cls) -> str: ...
+    if sys.version_info >= (3, 13):
+        # Value may be any type, even in special enums. Enabling Enum parsing from
+        # multiple value types
+        def _add_value_alias_(self, value: Any) -> None: ...
+        def _add_alias_(self, name: str) -> None: ...
 
 if sys.version_info >= (3, 11):
     class ReprEnum(Enum): ...