diff --git a/requirements.txt b/requirements.txt
index 741370a..f5d7fbd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ Flask-Mail==0.9.1
 Flask-Migrate==1.4.0
 Flask-SQLAlchemy==2.0
 Flask-Script==2.0.5
-Jinja2==2.7.3
+Jinja2==2.11.3
 Mako==1.0.1
 MarkupSafe==0.23
 SQLAlchemy==1.0.6