```ruby
class Openlp < Cask
  version '2.0.4'
  sha256 '24850da1e2d75b17d76cf102721d4c5e56d8faaa97ce1194577264c8edc6cc70'

  url "http://builds.openlp.org/OpenLP-#{version}.dmg"
  homepage 'http://openlp.org'
  license :unknown

  app 'OpenLP.app'
end
```

Fix OpenLP.app & upgrade to 2.0.5
user
```ruby
class Openlp < Cask
  version '2.0.5'
  sha256 '0ba5a37c359394c277e221f8ca74191d3425cf3cfbd70699d81346c77c93d746'

  # sourceforge is the official download host per the vendor homepage
  url "http://downloads.sourceforge.net/project/openlp/openlp/#{version}/OpenLP-#{version}.dmg"
  homepage 'http://openlp.org'
  license :gpl

  app 'OpenLP.app'
end
```
assistant