diff --git a/stdlib/typing.pyi b/stdlib/typing.pyi
index 88b9fbeb6057..8423989c5438 100644
--- a/stdlib/typing.pyi
+++ b/stdlib/typing.pyi
@@ -933,6 +933,7 @@ class Mapping(Collection[_KT], Generic[_KT, _VT_co]):
     def items(self) -> ItemsView[_KT, _VT_co]: ...
     def keys(self) -> KeysView[_KT]: ...
     def values(self) -> ValuesView[_VT_co]: ...
+    def copy(self) -> MutableMapping[_KT, _VT_co]: ...
     def __contains__(self, __o: object) -> bool: ...
 
 class MutableMapping(Mapping[_KT, _VT], Generic[_KT, _VT]):