diff --git a/requirements.txt b/requirements.txt
index 88aa885..57eba3b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ Flask-SQLAlchemy==2.1
 Flask-WTF==0.13.1
 gunicorn==19.6.0
 itsdangerous==0.24
-Jinja2==2.8
+Jinja2==2.11.3
 MarkupSafe==0.23
 PyMySQL==0.7.9
 SQLAlchemy==1.1.3