diff --git a/docker-fast-requirements.txt b/docker-fast-requirements.txt
index c7c03e1..e729b21 100644
--- a/docker-fast-requirements.txt
+++ b/docker-fast-requirements.txt
@@ -149,7 +149,7 @@ terminado==0.17.1
 tinycss2==1.2.1
 tomli==2.0.1
 toolz==0.12.0
-tornado==6.2
+tornado==6.3.3
 traitlets==5.9.0
 types-PyYAML==6.0.12.8
 typing_extensions==4.5.0