diff --git a/requirements.txt b/requirements.txt
index 919f31a..c217a37 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -49,7 +49,7 @@ Twisted-Web==13.2.0
 unity-lens-photos==1.0
 urllib3==1.7.1
 virtualenv==13.1.2
-Werkzeug==0.11.2
+Werkzeug==0.15.3
 wheel==0.24.0
 xdiagnose===3.6.3build2
 zope.interface==4.0.5