diff --git a/requirements.txt b/requirements.txt
index f48c52b..a1c86ee 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -25,7 +25,7 @@ Flask-WTF==0.14.2
 gunicorn==19.9.0
 idna==2.8
 itsdangerous==1.1.0
-Jinja2==2.10.1
+Jinja2==2.11.3
 Mako==1.0.7
 Markdown==3.0.1
 MarkupSafe==1.1.0