Background video wont upload to background

I’m trying to upload a new video to background video however it just plays the same video as before and refuses to upload the new video

https://preview.webflow.com/preview/innova-collection?utm_medium=preview_link&utm_source=designer&utm_content=innova-collection&preview=4847b7d53d10e768cb6e3a6eda471f58&mode=preview


Here is my site Read-Only: LINK
(how to share your site Read-Only link)