diff --git a/flask/requirements.txt b/flask/requirements.txt
index da7559f..5864062 100644
--- a/flask/requirements.txt
+++ b/flask/requirements.txt
@@ -7,7 +7,7 @@ Flask==1.1.1
 Flask-MySQL==1.4.0
 isort==4.3.21
 itsdangerous==1.1.0
-Jinja2==2.10.3
+Jinja2==2.11.3
 lazy-object-proxy==1.4.2
 MarkupSafe==1.1.1
 mccabe==0.6.1