diff --git a/requirements.txt b/requirements.txt
index 88ab538..e5da9d7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
 python-dotenv==0.20.0
-python-telegram-bot==12.8
+python-telegram-bot==21.1.1
 requests==2.27.1
 pydantic==1.10.4