diff --git a/requirements.txt b/requirements.txt
index 62d128e..59b50dc 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -27,7 +27,7 @@ itsdangerous==1.1.0
 Jinja2==2.11.2
 joblib==0.14.1
 kiwisolver==1.2.0
-Mako==1.1.2
+Mako==1.2.2
 MarkupSafe==1.1.1
 marshmallow==3.2.1
 marshmallow-oneofschema==2.0.1