diff --git a/requirements.txt b/requirements.txt
index f32c843..b5e34d5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -29,5 +29,5 @@ twilio==6.10.3
 tzlocal==1.5.1
 urllib3==1.22
 wcwidth==0.1.7
-Werkzeug==0.14.1
+Werkzeug==0.15.3
 WTForms==2.1