diff --git a/setup.cfg b/setup.cfg
index 8773565..1c372d7 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -19,7 +19,7 @@ install_requires =
     flask
     waitress
     twilio
-    python-telegram-bot
+    python-telegram-bot<=14
     prometheus_client
 
 [options.entry_points]