diff --git a/he_reuire.txt b/he_reuire.txt
index 4d4d46f..059136d 100644
--- a/he_reuire.txt
+++ b/he_reuire.txt
@@ -18,7 +18,7 @@ lazr.restfulclient==0.13.5
 lazr.uri==1.0.3
 louis==3.5.0
 macaroonbakery==1.1.3
-Mako==1.0.7
+Mako==1.2.2
 MarkupSafe==1.0
 netifaces==0.10.4
 oauth==1.0.1
diff --git a/requirements/heroku.txt b/requirements/heroku.txt
index 40a885c..8a3fc2d 100644
--- a/requirements/heroku.txt
+++ b/requirements/heroku.txt
@@ -22,7 +22,7 @@ httpie==1.0.2
 idna==2.8
 itsdangerous==0.24
 Jinja2==2.9.6
-Mako==1.0.7
+Mako==1.2.2
 Markdown==3.0.1
 MarkupSafe==1.0
 Pygments==2.3.1