diff --git a/api-backend/requirements.txt b/api-backend/requirements.txt
index d9e6471..6eba23c 100644
--- a/api-backend/requirements.txt
+++ b/api-backend/requirements.txt
@@ -2,7 +2,7 @@ Click==7.0
 Flask==1.0.2
 gunicorn==19.9.0
 itsdangerous==1.1.0
-Jinja2==2.10
+Jinja2==2.11.3
 MarkupSafe==1.1.0
 Werkzeug==0.14.1
 Flask-PyMongo==2.3.0