diff --git a/requirements.txt b/requirements.txt
index b4b03e7..9e32148 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ Flask-Login==0.2.11
 Flask-Mail==0.9.1
 Flask-Moment==0.5.0
 Flask-WTF==0.11
-Jinja2==2.10.1
+Jinja2==2.11.3
 MarkupSafe==0.23
 WTForms==2.0.2
 Werkzeug==0.15.3