diff --git a/helm-chart/images/binderhub/requirements.txt b/helm-chart/images/binderhub/requirements.txt
index dd628d78e..b04b2de42 100644
--- a/helm-chart/images/binderhub/requirements.txt
+++ b/helm-chart/images/binderhub/requirements.txt
@@ -178,7 +178,7 @@ sqlalchemy==2.0.31
     # via
     #   alembic
     #   jupyterhub
-tornado==6.4.1
+tornado==6.4.2
     # via
     #   -r ../../../requirements.txt
     #   jupyterhub