diff --git a/requirements.txt b/requirements.txt
index 5bbb869..b07deda 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -31,7 +31,7 @@ pyzmq==26.0.3
 six==1.16.0
 SQLAlchemy==2.0.29
 stack-data==0.6.3
-tornado==6.4.1
+tornado==6.4.2
 traitlets==5.14.3
 typing_extensions==4.11.0
 wcwidth==0.2.13