diff --git a/lower-constraints.txt b/lower-constraints.txt
index 77a7f151..7cdb20a9 100644
--- a/lower-constraints.txt
+++ b/lower-constraints.txt
@@ -42,7 +42,7 @@ keystonemiddleware==4.17.0
 kombu==4.0.0
 linecache2==1.0.0
 logutils==0.3.5
-Mako==0.4.0
+Mako==1.0.7
 MarkupSafe==1.1.1
 mccabe==0.6.1
 monotonic==0.6