diff --git a/requirements.txt b/requirements.txt
index 598d306..1ace536 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,7 +12,7 @@ Flask-WTF==0.14.2
 gunicorn==19.7.1
 idna==2.6
 itsdangerous==0.24
-Jinja2==2.10
+Jinja2==2.11.3
 lxml==4.2.0
 MarkupSafe==1.0
 more-itertools==4.0.1