diff --git a/requirements.txt b/requirements.txt
index 2f774a5..bd4e4a8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,7 +11,7 @@ Flask-Testing==0.7.1
 gunicorn==19.9.0
 idna==2.7
 itsdangerous==0.24
-Jinja2==2.10
+Jinja2==2.11.3
 lxml==4.2.5
 MarkupSafe==1.0
 more-itertools==4.3.0