diff --git a/requirements.txt b/requirements.txt
index 0a93458..75cbe7c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,7 +14,7 @@ Flask-User==1.0.1.5
 Flask-WTF==0.14.2
 gunicorn==19.9.0
 itsdangerous==1.1.0
-Jinja2==2.10.3
+Jinja2==2.11.3
 MarkupSafe==1.1.1
 passlib==1.7.1
 pycodestyle==2.5.0