diff --git a/back-end/requirements.txt b/back-end/requirements.txt
index 8357e81..2319815 100644
--- a/back-end/requirements.txt
+++ b/back-end/requirements.txt
@@ -26,4 +26,4 @@ requests==2.20.0
 six==1.11.0
 SQLAlchemy==1.2.13
 urllib3==1.24
-Werkzeug==0.14.1
+Werkzeug==0.15.3