diff --git a/stdlib/3/typing.pyi b/stdlib/3/typing.pyi
index d4a0a0c60..1f31e8aa0 100644
--- a/stdlib/3/typing.pyi
+++ b/stdlib/3/typing.pyi
@@ -107,6 +107,9 @@ class Generator(Iterator[_T_co], Generic[_T_co, _T_contra, _V_co]):
     @abstractmethod
     def close(self) -> None:...
 
+    @abstractmethod
+    def __iter__(self) -> 'Generator[_T_co, _T_contra, _V_co]': ...
+
 class AbstractFuture(Generic[_T]): ...
 
 class Awaitable(Generic[_T_co]):