diff --git a/demo/requirements.txt b/demo/requirements.txt
index 0f938bc..1800dbb 100644
--- a/demo/requirements.txt
+++ b/demo/requirements.txt
@@ -3,7 +3,7 @@ decorator==4.3.0
 Flask==1.0.2
 Flask-SQLAlchemy==2.3.2
 itsdangerous==0.24
-Jinja2==2.10
+Jinja2==2.11.3
 MarkupSafe==1.0
 migrate==0.3.8
 pbr==4.1.0