diff --git a/stdlib/3/multiprocessing/connection.pyi b/stdlib/3/multiprocessing/connection.pyi
index 76bdca01c..cd03b7cb9 100644
--- a/stdlib/3/multiprocessing/connection.pyi
+++ b/stdlib/3/multiprocessing/connection.pyi
@@ -24,6 +24,8 @@ class _ConnectionBase:
     def recv_bytes_into(self, buf: Any, offset: int = ...) -> int: ...
     def recv(self) -> Any: ...
     def poll(self, timeout: Optional[float] = ...) -> bool: ...
+    def __enter__(self) -> _ConnectionBase: ...
+    def __exit__(self, exc_type: Optional[Type[BaseException]], exc_value: Optional[BaseException], exc_tb: Optional[types.TracebackType]) -> None: ...
 
 class Connection(_ConnectionBase): ...