diff --git a/requirements.txt b/requirements.txt
index 72306ea..825b348 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -17,7 +17,7 @@ python-telegram-bot==12.7
 requests==2.23.0
 six==1.14.0
 toml==0.10.0
-tornado==6.0.4
+tornado==6.5.5
 typed-ast==1.4.1
 urllib3==1.26.5
 wrapt==1.12.1