diff --git a/requirements.txt b/requirements.txt
index d0e616d0..65948129 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ Flask-Testing==0.7.1
 Flask-WTF==0.14.2
 invoke==1.2.0
 Jinja2==2.10.1
-Mako==1.0.10
+Mako==1.3.12
 MarkupSafe==1.1.1
 MySQL-python==1.2.5
 SQLAlchemy==1.3.3