diff --git a/helm-chart/images/binderhub/requirements.txt b/helm-chart/images/binderhub/requirements.txt
index 840e302a9..3c10d1ba1 100644
--- a/helm-chart/images/binderhub/requirements.txt
+++ b/helm-chart/images/binderhub/requirements.txt
@@ -180,7 +180,7 @@ sqlalchemy==2.0.29
     # via
     #   alembic
     #   jupyterhub
-tornado==6.4
+tornado==6.4.1
     # via
     #   -r ../../../requirements.txt
     #   jupyterhub