diff --git a/requirements.txt b/requirements.txt
index f2d8b1c..17034e7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,6 +14,6 @@ humanfriendly==9.1
 idna==2.10
 pytz==2021.1
 six==1.16.0
-tornado==6.3.3
+tornado==6.4.1
 tzlocal==2.1
 urllib3==1.26.18