diff --git a/requirements.txt b/requirements.txt
index a73f10a05..73a72bcb4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -18,4 +18,4 @@ six==1.16.0
 urllib3==1.26.19
 websocket-client==1.3.1
 ply==3.11
-tornado==6.4.1
+tornado==6.4.2