diff --git a/pyproject.toml b/pyproject.toml
index 63b74ba..b24f43c 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 (>=0.22.1,<0.23.0)",
 ]