diff --git a/Chapter07/serve/requirements.txt b/Chapter07/serve/requirements.txt
index d656136..d76b1e8 100644
--- a/Chapter07/serve/requirements.txt
+++ b/Chapter07/serve/requirements.txt
@@ -217,7 +217,7 @@ threadpoolctl==3.1.0
 timing-asgi==0.3.0
 tinycss2==1.2.1
 torch-model-archiver==0.7.1
-tornado==6.2
+tornado==6.3.2
 tqdm==4.65.0
 traitlets==5.9.0
 tritonclient==2.18.0