diff --git a/stdlib/3/builtins.pyi b/stdlib/3/builtins.pyi
index 78c598592c77..22614453e5de 100644
--- a/stdlib/3/builtins.pyi
+++ b/stdlib/3/builtins.pyi
@@ -175,7 +175,10 @@ class float:
     def __truediv__(self, x: float) -> float: ...
     def __mod__(self, x: float) -> float: ...
     def __divmod__(self, x: float) -> Tuple[float, float]: ...
-    def __pow__(self, x: float) -> float: ...
+    @overload
+    def __pow__(self, x: int) -> float: ...
+    @overload
+    def __pow__(self, x: float) -> Any: ...  # -> Union[float, complex]
     def __radd__(self, x: float) -> float: ...
     def __rsub__(self, x: float) -> float: ...
     def __rmul__(self, x: float) -> float: ...
@@ -183,7 +186,8 @@ class float:
     def __rtruediv__(self, x: float) -> float: ...
     def __rmod__(self, x: float) -> float: ...
     def __rdivmod__(self, x: float) -> Tuple[float, float]: ...
-    def __rpow__(self, x: float) -> float: ...
+    # -> Union[float, complex]
+    def __rpow__(self, x: float) -> Any: ...
     @overload
     def __round__(self) -> int: ...
     @overload