You can find the source of this version on GitHub at concourse/concourse-bosh-release. It was created based on the commit
You can reference this release in your deployment manifest from the
- name: "concourse" version: "4.2.1" url: "https://bosh.io/d/github.com/concourse/concourse-bosh-release?v=4.2.1" sha1: "e4036597aa010806051ebb6596e4fdc2fc14f936"
Or upload it to your director with the
bosh upload-release --sha1 e4036597aa010806051ebb6596e4fdc2fc14f936 \ https://bosh.io/d/github.com/concourse/concourse-bosh-release?v=4.2.1