diff --git a/requirements.txt b/requirements.txt
index 7f20e71..5c42622 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -24,4 +24,4 @@ six==1.12.0
 sklearn==0.0
 urllib3==1.24.1
 WebOb==1.8.5
-Werkzeug==0.14.1
+Werkzeug==0.15.3