diff --git a/requirements.txt b/requirements.txt
index 2ebaee8..3cf6dbc 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -20,4 +20,4 @@ requests==2.18.4
 six==1.11.0
 SQLAlchemy==1.2.1
 urllib3==1.22
-Werkzeug==0.14.1
+Werkzeug==0.15.3