diff --git a/requirements.txt b/requirements.txt
index bd9f422..c0fbf75 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ Flask-WTF==0.12
 gunicorn==19.3.0
 html5lib==0.9999999
 itsdangerous==0.24
-Jinja2==2.8
+Jinja2==2.11.3
 Markdown==2.6.5
 MarkupSafe==0.23
 mccabe==0.5.2