diff --git a/requirements.txt b/requirements.txt
index 2342e2e..0293bb7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -26,7 +26,7 @@ idna==2.9
 itsdangerous==1.1.0
 Jinja2==2.11.1
 joblib==0.14.1
-Mako==1.1.1
+Mako==1.2.2
 MarkupSafe==1.1.1
 marshmallow==3.5.0
 marshmallow-sqlalchemy==0.22.2