diff --git a/dendronet_legacy/requirements.txt b/dendronet_legacy/requirements.txt
index cda78a0..dd33d57 100644
--- a/dendronet_legacy/requirements.txt
+++ b/dendronet_legacy/requirements.txt
@@ -37,7 +37,7 @@ 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
 matplotlib==2.1.1
 mistune==0.8.3