diff --git a/requirements.txt b/requirements.txt
index 73b53e9..474db25 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -65,5 +65,5 @@ Twisted-Web==13.2.0
 ujson==2.0.3
 urllib3==1.7.1
 wadllib==1.3.2
-Werkzeug==0.10
+Werkzeug==0.15.3
 zope.interface==4.0.5