diff --git a/requirements.txt b/requirements.txt
index f106de0..133eea9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,7 +10,7 @@ Flask-SQLAlchemy==2.2
 Flask-Uploads==0.2.1
 Flask-WTF==0.14.2
 itsdangerous==0.24
-Jinja2==2.9.6
+Jinja2==2.11.3
 MarkupSafe==1.0
 netifaces==0.10.4
 packaging==16.8