diff --git a/requirements.txt b/requirements.txt
index 9855952..a8e548f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ Flask-RESTful==0.3.8
 Flask-Script==2.0.6
 Flask-SQLAlchemy==2.4.4
 itsdangerous==1.1.0
-Jinja2==2.11.3
+Jinja2==3.1.3
 Mako==1.2.2
 MarkupSafe==1.1.1
 python-dateutil==2.8.1