diff --git a/stdlib/builtins.pyi b/stdlib/builtins.pyi
index 761307956..80e04e215 100644
--- a/stdlib/builtins.pyi
+++ b/stdlib/builtins.pyi
@@ -299,7 +299,7 @@ class complex:
     @overload
     def __new__(cls: Type[_T], real: float = ..., imag: float = ...) -> _T: ...
     @overload
-    def __new__(cls: Type[_T], real: Union[str, SupportsComplex, SupportsIndex]) -> _T: ...
+    def __new__(cls: Type[_T], real: Union[str, SupportsComplex, SupportsIndex, complex]) -> _T: ...
     @property
     def real(self) -> float: ...
     @property