diff --git a/requirements.txt b/requirements.txt
index 9c29dc8..c985be8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-Mako==1.0.6
+Mako==1.2.2
 protobuf==3.2.0
 mock==2.0.0
 astroid==1.5.3