diff --git a/days/065-068-heroku-deployment/code/requirements.txt b/days/065-068-heroku-deployment/code/requirements.txt
index 0a135c7d..8ecda075 100644
--- a/days/065-068-heroku-deployment/code/requirements.txt
+++ b/days/065-068-heroku-deployment/code/requirements.txt
@@ -6,4 +6,4 @@ Jinja2==2.10
 MarkupSafe==1.1.1
 python-http-client==3.1.0
 sendgrid==5.6.0
-Werkzeug==0.14.1
+Werkzeug==0.15.5