diff --git a/requirements.txt b/requirements.txt
index 80c912f..15423fd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,7 +10,7 @@ Flask-WTF==0.14.2
 gunicorn==19.7.1
 idna==2.7
 itsdangerous==1.1.0
-Jinja2==2.10
+Jinja2==2.11.3
 Mako==1.0.7
 MarkupSafe==1.1.0
 multidict==4.5.2