diff --git a/requirements/constraints.txt b/requirements/constraints.txt
index 07d8fe8..f1be72b 100644
--- a/requirements/constraints.txt
+++ b/requirements/constraints.txt
@@ -125,7 +125,7 @@ threadpoolctl==3.1.0
 tinycss2==1.2.1
 toml==0.10.2
 tomli==2.0.1
-tornado==6.2
+tornado==6.3.2
 traitlets==5.5.0
 typing_extensions==4.4.0
 urllib3==1.26.12