diff --git a/Tutorials/flask_blog/requirements.txt b/Tutorials/flask_blog/requirements.txt
index d78fd610..26bc4c61 100644
--- a/Tutorials/flask_blog/requirements.txt
+++ b/Tutorials/flask_blog/requirements.txt
@@ -157,7 +157,7 @@ terminado==0.15.0
 thefuzz==0.19.0
 tinycss2==1.1.1
 tldextract==3.3.0
-tornado==6.2
+tornado==6.3.3
 tqdm==4.64.0
 traitlets==5.3.0
 Twisted==23.8.0