diff --git a/requirements.txt b/requirements.txt
index a00c7c4..25a9b33 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -109,7 +109,7 @@ terminado==0.17.1
 threadpoolctl==3.1.0
 tinycss2==1.5.1
 tomli==2.0.1
-tornado==6.5.5
+tornado==6.5.6
 traitlets==5.9.0
 uri-template==1.2.0
 urllib3==2.7.0