diff --git a/stdlib/3/os/__init__.pyi b/stdlib/3/os/__init__.pyi
index 4352a12f3..fdda65f5a 100644
--- a/stdlib/3/os/__init__.pyi
+++ b/stdlib/3/os/__init__.pyi
@@ -7,6 +7,7 @@ from typing import (
     Mapping, MutableMapping, Dict, List, Any, Tuple, Iterator, overload, Union, AnyStr,
     Optional, Generic, Set
 )
+import sys
 from builtins import OSError as error
 import os.path as path
 
@@ -254,6 +255,8 @@ def remove(path: AnyStr) -> None: ...
 def removedirs(path: AnyStr) -> None: ...
 def rename(src: AnyStr, dst: AnyStr) -> None: ...
 def renames(old: AnyStr, new: AnyStr) -> None: ...
+if sys.version_info >= (3, 3):
+    def replace(src: AnyStr, dst: AnyStr) -> None: ...
 def rmdir(path: AnyStr) -> None: ...
 def stat(path: AnyStr) -> stat_result: ...
 def stat_float_times(newvalue: Union[bool, None] = ...) -> bool: ...