diff --git a/requirements.txt b/requirements.txt
index 340586e92..7b818c7e5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -76,6 +76,6 @@ unicodecsv==0.14.1
 uritemplate==3.0.0
 urllib3==1.22
 WebOb==1.8.0
-Werkzeug==0.14.1
+Werkzeug==0.15.3
 zeep==2.5.0
 zope.interface==4.4.3