diff --git a/requirements.txt b/requirements.txt
index 02e55bd..c13bbb0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ Flask-PyMongo==0.4.1
 futures==3.0.5
 gunicorn==19.5.0
 itsdangerous==0.24
-Jinja2==2.8
+Jinja2==2.11.3
 MarkupSafe==0.23
 optional-django==0.3.0
 pymongo==3.2.2