diff --git a/setup.py b/setup.py
index db6045e..3e5d62d 100644
--- a/setup.py
+++ b/setup.py
@@ -44,7 +44,7 @@
         "tox==2.8.0",
         "urllib3==1.22",
         "virtualenv==15.1.0",
-        "Werkzeug==0.12.2",
+        "Werkzeug==0.15.3",
         "WTForms==2.1"
     ]