diff --git a/requirements.txt b/requirements.txt
index 220f8d3..2665ef4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -35,4 +35,4 @@ schematics==2.0.1
 six==1.10.0
 SQLAlchemy==1.1.10
 urllib3==1.21.1
-Werkzeug==0.12.2
+Werkzeug==0.15.3