diff --git a/requirements.txt b/requirements.txt
index ada11ae..0c27c7b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-Mako==1.0.3
+Mako==1.2.2
 MarkupSafe==0.23
 pycparser==2.14
 Pygments==2.1