livecheck do
    url "https://www2.spitfireaudio.com/library-manager/download/mac/"
    regex(%r{/(\d+)/.*-(\d+(?:\.\d+)+)\.dmg}i)
    strategy :header_match do |headers, regex|
      headers["location"].scan(regex).map { |match| "#{match[1]},#{match[0]}" }