diff --git a/requirements.txt b/requirements.txt
index 1d9e54e..10147b0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,7 +14,7 @@ Flask-WTF==0.14.2
 gunicorn==19.8.1
 idna==2.6
 itsdangerous==0.24
-Jinja2==2.10
+Jinja2==2.11.3
 Mako==1.0.7
 MarkupSafe==1.0
 marshmallow==2.15.0