cask :v1 => '4k-youtube-to-mp3' do
  # note: "3" is not a version number, but an intrinsic part of the product name
  version '2.9'
  sha256 '07a558e3dddc957386d12f1a13880e6d02e86ccdabc64e3ac66c78eccde8fe09'

  url "http://downloads.4kdownload.com/app/4kyoutubetomp3_#{version}.dmg"
  name '4K Youtube to MP3'
  homepage 'http://www.4kdownload.com/products/product-youtubetomp3'
  license :oss

  app '4K YouTube to MP3.app'
end

cask :v1 => '4k-youtube-to-mp3' do
  # note: "3" is not a version number, but an intrinsic part of the product name
  version '2.9'
  sha256 '8f62dead99131f7cb6936f07d95020f81fca6472d2a4d6bdd3ea37aefb5749ce'

  url "http://downloads.4kdownload.com/app/4kyoutubetomp3_#{version}.dmg"
  name '4K Youtube to MP3'
  homepage 'http://www.4kdownload.com/products/product-youtubetomp3'
  license :oss

  app '4K YouTube to MP3.app'
end

Fix checksum in "4K YouTube to MP3.app" Cask
Fix checksum in "4K YouTube to MP3.app" Cask

It seems that the download package has recently been changed, although the version number has not been bumped. This commit corrects the sha256 hash.