diff --git a/notebook_python/requirements_notebook.txt b/notebook_python/requirements_notebook.txt
index a69f57e..f4e4500 100644
--- a/notebook_python/requirements_notebook.txt
+++ b/notebook_python/requirements_notebook.txt
@@ -81,7 +81,7 @@ soupsieve==2.8
 stack-data==0.6.3
 terminado==0.18.1
 tinycss2==1.4.0
-tornado==6.5.6
+tornado==6.5.7
 traitlets==5.14.3
 types-python-dateutil==2.9.0.20250822
 typing_extensions==4.15.0