Vault source rpm

Is there a place I can get the source rpm for open source vault? I can get the installation yum repository descriptor from https://rpm.releases.hashicorp.com/RHEL/hashicorp.repo but then the yumdownloader --source vault command does not download the source rpm. I want to include the rpm in my own organization’s yum repository and they require rebuilding from source rpm. I tried to scout around for it on the distribution server but it doesn’t have any directory listings.

Dave