diff --git a/stdlib/itertools.pyi b/stdlib/itertools.pyi
index 4ae9bac0e..3a77edafe 100644
--- a/stdlib/itertools.pyi
+++ b/stdlib/itertools.pyi
@@ -196,3 +196,9 @@ class combinations_with_replacement(Iterator[Tuple[_T, ...]], Generic[_T]):
     def __init__(self, iterable: Iterable[_T], r: int) -> None: ...
     def __iter__(self) -> Iterator[Tuple[_T, ...]]: ...
     def __next__(self) -> Tuple[_T, ...]: ...
+
+if sys.version_info >= (3, 10):
+    class pairwise(Iterator[_T_co], Generic[_T_co]):
+        def __new__(cls, __iterable: Iterable[_T]) -> pairwise[Tuple[_T, _T]]: ...
+        def __iter__(self) -> Iterator[_T_co]: ...
+        def __next__(self) -> _T_co: ...