diff --git a/apps/acme-cart/requirements.txt b/apps/acme-cart/requirements.txt
index 8ffc0e89..f481973b 100644
--- a/apps/acme-cart/requirements.txt
+++ b/apps/acme-cart/requirements.txt
@@ -20,7 +20,7 @@ six==1.16.0
 statsd==3.3.0
 threadloop==1.0.2
 thrift==0.11.0
-tornado==6.4
+tornado==6.5.5
 urllib3==1.26.18
 Werkzeug==3.0.3
 wrapt==1.11.1