diff --git a/requirements.txt b/requirements.txt
index 0030199..88a2549 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -73,7 +73,7 @@ itsdangerous==1.1.0
 jaraco.functools==2.0
 jinja2==2.10.1
 jmespath==0.9.4
-mako==1.1.0
+mako==1.2.2
 markdown2==2.3.8
 markdown==3.1.1
 markupsafe==1.1.1