diff --git a/citysync/requirements.txt b/citysync/requirements.txt
index d0ceec7..97609cd 100644
--- a/citysync/requirements.txt
+++ b/citysync/requirements.txt
@@ -10,7 +10,7 @@ Flask-SQLAlchemy==2.4.1
 Flask-WTF==0.14.2
 itsdangerous==1.1.0
 Jinja2==2.11.0
-Mako==1.1.1
+Mako==1.2.2
 MarkupSafe==1.1.1
 marshmallow==3.3.0
 marshmallow-sqlalchemy==0.21.0