diff --git a/requirements.txt b/requirements.txt
index 6bebed6..a1ca4c1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -81,7 +81,7 @@ llvmlite==0.20.0
 locket==0.2.0
 lockfile==0.12.2
 lxml==4.1.1
-Mako==1.0.7
+Mako==1.2.2
 Markdown==2.6.9
 MarkupSafe==1.0
 matplotlib==2.1.0