diff --git a/requirements.txt b/requirements.txt
index 72ad464..01f46d2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -64,7 +64,7 @@ six==1.16.0
 soupsieve==2.5
 stack-data==0.6.3
 tinycss2==1.2.1
-tornado==6.4
+tornado==6.5
 traitlets==5.14.2
 typing_extensions==4.10.0
 urllib3==2.2.1