diff --git a/stdlib/3/os/__init__.pyi b/stdlib/3/os/__init__.pyi
index bafa8242d..c9e8e7a40 100644
--- a/stdlib/3/os/__init__.pyi
+++ b/stdlib/3/os/__init__.pyi
@@ -359,9 +359,10 @@ def symlink(source: _PathType, link_name: _PathType,
             target_is_directory: bool = ...) -> None:
     ...  # final argument in Windows only
 def unlink(path: _PathType) -> None: ...
-# TODO: add ns, dir_fd, follow_symlinks argument
 if sys.version_info >= (3, 0):
-    def utime(path: _PathType, times: Optional[Tuple[float, float]] = ...) -> None: ...
+    def utime(path: _PathType, times: Optional[Union[Tuple[int, int], Tuple[float, float]]] = ...,
+              ns: Optional[Tuple[int, int]] = ..., dir_fd: Optional[int] = ...,
+              follow_symlinks: bool = ...) -> None: ...
 else:
     def utime(path: _PathType, times: Optional[Tuple[float, float]]) -> None: ...