diff --git a/requirements.txt b/requirements.txt
index 88bfa33..fe1ac07 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,7 +13,7 @@ Flask-SQLAlchemy==2.4.4
 Flask-WTF==0.14.3
 idna==2.10
 itsdangerous==1.1.0
-Jinja2==2.11.3
+Jinja2==3.1.5
 Mako==1.1.4
 MarkupSafe==1.1.1
 mccabe==0.6.1