diff --git a/requirements.txt b/requirements.txt
index 7861513..49e1d2c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -23,7 +23,7 @@ itsdangerous==1.1.0
 Jinja2==2.10.1
 jsonschema==3.2.0
 jwt==0.6.1
-Mako==1.1.0
+Mako==1.2.2
 MarkupSafe==1.1.1
 more-itertools==8.0.2
 multidict==4.7.3