diff --git a/stdlib/contextlib.pyi b/stdlib/contextlib.pyi
index 8be3d3a2c..4795aac67 100644
--- a/stdlib/contextlib.pyi
+++ b/stdlib/contextlib.pyi
@@ -19,6 +19,66 @@ from typing import (  # noqa Y027
 )
 from typing_extensions import ParamSpec
 
+if sys.version_info >= (3, 11):
+    __all__ = [
+        "asynccontextmanager",
+        "contextmanager",
+        "closing",
+        "nullcontext",
+        "AbstractContextManager",
+        "AbstractAsyncContextManager",
+        "AsyncExitStack",
+        "ContextDecorator",
+        "ExitStack",
+        "redirect_stdout",
+        "redirect_stderr",
+        "suppress",
+        "aclosing",
+        "chdir",
+    ]
+elif sys.version_info >= (3, 10):
+    __all__ = [
+        "asynccontextmanager",
+        "contextmanager",
+        "closing",
+        "nullcontext",
+        "AbstractContextManager",
+        "AbstractAsyncContextManager",
+        "AsyncExitStack",
+        "ContextDecorator",
+        "ExitStack",
+        "redirect_stdout",
+        "redirect_stderr",
+        "suppress",
+        "aclosing",
+    ]
+elif sys.version_info >= (3, 7):
+    __all__ = [
+        "asynccontextmanager",
+        "contextmanager",
+        "closing",
+        "nullcontext",
+        "AbstractContextManager",
+        "AbstractAsyncContextManager",
+        "AsyncExitStack",
+        "ContextDecorator",
+        "ExitStack",
+        "redirect_stdout",
+        "redirect_stderr",
+        "suppress",
+    ]
+else:
+    __all__ = [
+        "contextmanager",
+        "closing",
+        "AbstractContextManager",
+        "ContextDecorator",
+        "ExitStack",
+        "redirect_stdout",
+        "redirect_stderr",
+        "suppress",
+    ]
+
 AbstractContextManager = ContextManager
 if sys.version_info >= (3, 7):
     from typing import AsyncContextManager  # noqa Y022