diff --git a/stdlib/typing.pyi b/stdlib/typing.pyi
index a2ed53cf9..6979f03eb 100644
--- a/stdlib/typing.pyi
+++ b/stdlib/typing.pyi
@@ -667,6 +667,8 @@ class _TypedDict(Mapping[str, object], metaclass=ABCMeta):
     def items(self) -> ItemsView[str, object]: ...
     def keys(self) -> KeysView[str]: ...
     def values(self) -> ValuesView[object]: ...
+    def __or__(self: _T, __value: _T) -> _T: ...
+    def __ior__(self: _T, __value: _T) -> _T: ...
 
 def NewType(name: str, tp: Type[_T]) -> Type[_T]: ...
 
diff --git a/tests/stubtest_whitelists/py39.txt b/tests/stubtest_whitelists/py39.txt
index 9f4afe54d..9e57bb608 100644
--- a/tests/stubtest_whitelists/py39.txt
+++ b/tests/stubtest_whitelists/py39.txt
@@ -118,6 +118,8 @@ typing.SupportsInt.__init__
 typing.SupportsRound.__init__
 typing._SpecialForm.__init__
 typing._TypedDict.__delitem__
+typing._TypedDict.__ior__
+typing._TypedDict.__or__
 typing._TypedDict.copy
 typing._TypedDict.items
 typing._TypedDict.keys