diff --git a/requirements.txt b/requirements.txt
index 33c71dc..08a3746 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ flask-marshmallow==0.10.1
 Flask-SQLAlchemy==2.4.1
 Flask-WTF==0.14.2
 itsdangerous==1.1.0
-Jinja2==2.10.3
+Jinja2==2.11.3
 MarkupSafe==1.1.1
 marshmallow==3.3.0
 passlib==1.7.2