diff --git a/requirements.txt b/requirements.txt
index 72f6c37..d2e3e82 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -30,7 +30,7 @@ isort==4.2.5
 lazy-object-proxy==1.2.2
 lockfile==0.12.2
 lxml==3.5.0
-Mako==1.0.3
+Mako==1.2.2
 MarkupSafe==0.23
 matplotlib==1.5.1
 mccabe==0.5.3