diff --git a/flask-bootstrap/larger-app/requirements.txt b/flask-bootstrap/larger-app/requirements.txt
index 6779718..200e27f 100644
--- a/flask-bootstrap/larger-app/requirements.txt
+++ b/flask-bootstrap/larger-app/requirements.txt
@@ -16,4 +16,4 @@ python-dateutil==2.6.1
 python-editor==1.0.3
 six==1.11.0
 SQLAlchemy==1.1.15
-Werkzeug==0.13
+Werkzeug==0.15.3