diff --git a/flask/requirements.txt b/flask/requirements.txt
index 0f00173..a6a8028 100644
--- a/flask/requirements.txt
+++ b/flask/requirements.txt
@@ -10,7 +10,7 @@ greenlet==2.0.2
 gunicorn==21.2.0
 h11==0.14.0
 itsdangerous==2.1.2
-Jinja2==3.1.2
+Jinja2==3.1.4
 MarkupSafe==2.1.3
 peewee==3.16.3
 python-engineio==4.8.0