diff --git a/requirements.txt b/requirements.txt
index 7a52034..20b95e3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@ Flask-WTF==0.14.2
 gunicorn==19.8.1
 idna==2.7
 itsdangerous==0.24
-Jinja2==2.10
+Jinja2==2.11.3
 MarkupSafe==1.0
 mistune==0.8.3
 pycparser==2.18