diff --git a/requirements.txt b/requirements.txt
index cd5b5de..d08c812 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -52,5 +52,5 @@ SQLAlchemy==1.0.6
 twilio==5.6.0
 urllib3==1.22
 webassets==0.10.1
-Werkzeug==0.10.4
+Werkzeug==0.15.3
 WTForms==2.0.2