diff --git a/pyproject.toml b/pyproject.toml
index 3f96c25..6220e83 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -10,7 +10,7 @@ dependencies = [
     "flask (>=3.1.0,<4.0.0)",
     "waitress (>=3.0.2,<4.0.0)",
     "twilio (>=9.4.6,<10.0.0)",
-    "python-telegram-bot (<20)",
+    "python-telegram-bot (<23)",
     "prometheus-client (>=0.21.1,<0.22.0)",
 ]