diff --git a/third_party/2and3/requests/packages/urllib3/util/connection.pyi b/third_party/2and3/requests/packages/urllib3/util/connection.pyi
index c8ed513b9da5..5068a2270651 100644
--- a/third_party/2and3/requests/packages/urllib3/util/connection.pyi
+++ b/third_party/2and3/requests/packages/urllib3/util/connection.pyi
@@ -2,6 +2,7 @@ from typing import Any
 
 poll = ...  # type: Any
 select = ...  # type: Any
+HAS_IPV6 = ...  # type: bool
 
 def is_connection_dropped(conn): ...
 def create_connection(address, timeout=..., source_address=..., socket_options=...): ...