diff --git a/requirements.txt b/requirements.txt
index be63ec5..c6b0899 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -28,7 +28,7 @@ joblib==0.9.4
 jsonschema==2.6.0
 llvmlite==0.20.0
 lockfile==0.12.2
-Mako==1.0.6
+Mako==1.2.2
 MarkupSafe==1.0
 matplotlib==2.0.2
 mistune==0.8.4