steps:
  - name: ":rspec:"
    command: "rspec --color specs"
    plugins:
      docker-compose#v2.5.1:
        run: app

steps:
  - name: ":rspec:"
    command: "rspec --color specs"
    plugins:
      docker-compose#v2.6.0:
        run: app

Update buildkite plugin docker-compose to v2.6.0
Update buildkite plugin docker-compose to v2.6.0