diff --git a/platon/backend/requirements.txt b/platon/backend/requirements.txt
index 03b6d770..a03f783b 100644
--- a/platon/backend/requirements.txt
+++ b/platon/backend/requirements.txt
@@ -18,7 +18,7 @@ idna==2.10
 itsdangerous==1.1.0
 Jinja2==2.11.2
 jsonschema==3.2.0
-Mako==1.1.3
+Mako==1.2.2
 MarkupSafe==1.1.1
 PyJWT==1.7.1
 PyMySQL==0.10.1