diff --git a/public/upsell.html b/public/upsell.html
index 300e8a9..095ddd0 100644
--- a/public/upsell.html
+++ b/public/upsell.html
@@ -132,7 +132,6 @@ const webhookPost = webhookUrl + "/submit-data";
         headers: {
           "Content-Type": "application/json"
         },
-        credentials: "include",
         body: JSON.stringify({ uuid }) // send uuid in request body
       });