diff --git a/requirements.txt b/requirements.txt
index 89bc17f..34f515c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -57,7 +57,7 @@ requests==2.32.5
 s3transfer==0.16.0
 six==1.17.0
 stack-data==0.6.3
-tornado==6.5.4
+tornado==6.5.5
 traitlets==5.14.3
 typeguard==4.5.1
 types-awscrt==0.31.3