diff --git a/requirements.txt b/requirements.txt
index 364a104..b6c9cc4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -17,7 +17,7 @@ Flask-WTF==0.14.2
 greenlet==0.4.15
 gunicorn==20.1.0
 itsdangerous==1.1.0
-Jinja2==2.11.3
+Jinja2==3.1.3
 jsmin==2.2.2
 Mako==1.2.2
 MarkupSafe==1.1.1