diff --git a/mbozee/mailroom_ui/requirements.txt b/mbozee/mailroom_ui/requirements.txt
index 459d468..d8c8e18 100644
--- a/mbozee/mailroom_ui/requirements.txt
+++ b/mbozee/mailroom_ui/requirements.txt
@@ -1,5 +1,5 @@
 Flask==0.12
-Jinja2==2.9.5
+Jinja2==2.11.3
 gunicorn==19.6.0
 html5lib==0.999
 virtualenv==15.1.0