diff --git a/citysync/requirements.txt b/citysync/requirements.txt
index d0ceec7..8050771 100644
--- a/citysync/requirements.txt
+++ b/citysync/requirements.txt
@@ -9,7 +9,7 @@ Flask-Migrate==2.5.2
 Flask-SQLAlchemy==2.4.1
 Flask-WTF==0.14.2
 itsdangerous==1.1.0
-Jinja2==2.11.0
+Jinja2==2.11.3
 Mako==1.1.1
 MarkupSafe==1.1.1
 marshmallow==3.3.0