diff --git a/app/requirements.txt b/app/requirements.txt
index c8718f4..ab6ac76 100644
--- a/app/requirements.txt
+++ b/app/requirements.txt
@@ -8,7 +8,7 @@ gunicorn==19.9.0
 idna==2.8
 ipython-genutils==0.2.0
 itsdangerous==1.1.0
-Jinja2==2.10.1
+Jinja2==2.11.3
 jsonschema==3.0.1
 jupyter-core==4.4.0
 MarkupSafe==1.1.1