diff --git a/requirements.txt b/requirements.txt
index 78a1098..9db88e9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -46,7 +46,7 @@ six==1.11.0
 tabulate==0.8.2
 urllib3==1.21.1
 user-agent==0.1.9
-Werkzeug==0.12.2
+Werkzeug==0.15.5
 zope.index==4.4.0
 zope.interface==4.7.2
 humanize==3.12.0