diff --git a/waitercaller/requirements.txt b/waitercaller/requirements.txt
index f54338a..8f86d1f 100644
--- a/waitercaller/requirements.txt
+++ b/waitercaller/requirements.txt
@@ -3,7 +3,7 @@ Flask==0.12.2
 Flask-Login==0.4.0
 Flask-WTF==0.14.2
 itsdangerous==0.24
-Jinja2==2.9.6
+Jinja2==2.11.3
 MarkupSafe==1.0
 pkg-resources==0.0.0
 pymongo==3.4.0