diff --git a/requirements.txt b/requirements.txt
index 5918a68..2007f7d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ pymongo==4.6.3
 mongomock==4.0.0
 mongomock-motor==0.0.14
 montydb==2.4.0
-tornado==6.3.3
+tornado==6.4.2
 motor==3.0.0
 pytest==7.0.1
 pytest-cov==3.0.0