diff --git a/telegram/vendor/ptb_urllib3 b/telegram/vendor/ptb_urllib3
index 06d04e451..2c6446aa6 160000
--- a/telegram/vendor/ptb_urllib3
+++ b/telegram/vendor/ptb_urllib3
@@ -1 +1 @@
-Subproject commit 06d04e451f6beb5562057bf793218c4e363d8bc0
+Subproject commit 2c6446aa6cfeedd5968977fe5f5afae706566c2d