diff --git a/requirements.txt b/requirements.txt
index 0ee3a14..9a68819 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1,2 @@
-python-telegram-bot>=10.0.0
+python-telegram-bot>=10.0.0,<12.0.0
 requests>=2.0.0