diff --git a/requirements.txt b/requirements.txt
index c20a128..218a0f1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -78,7 +78,7 @@ lazr.uri==1.0.3
 louis==3.5.0
 lxml==4.2.1
 macaroonbakery==1.1.3
-Mako==1.0.7
+Mako==1.2.2
 MarkupSafe==1.0
 matplotlib==2.1.1
 mccabe==0.6.1