diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index 99ea5de..c6e5b62
--- a/requirements.txt
+++ b/requirements.txt
@@ -36,6 +36,6 @@ twilio==6.9.0
 virtualenv==15.1.0
 virtualenv-clone==0.2.6
 virtualenvwrapper==4.8.2
-Werkzeug==0.12.2
+Werkzeug==0.15.3
 wheel==0.30.0
 WTForms==2.1