diff --git a/requirements.txt b/requirements.txt
index 5e7ccce..c416e3a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -24,7 +24,7 @@ itsdangerous==1.1.0
 Jinja2==2.10.1
 lazy-object-proxy==1.4.2
 lxml==4.4.2
-Mako==1.1.0
+Mako==1.2.2
 MarkupSafe==1.1.1
 mccabe==0.6.1
 oauth2client==4.1.3