diff --git a/requirements.txt b/requirements.txt
index 1d9e54e..8ae52fe 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -27,5 +27,5 @@ six==1.11.0
 SQLAlchemy==1.2.2
 urllib3==1.22
 visitor==0.1.3
-Werkzeug==0.14.1
+Werkzeug==0.15.3
 WTForms==2.1