```ruby
cask :v1 => 'evernote-beta' do
  version '5.6beta6'
  sha256 '4cdd361c873ce94ba5b3abfe98d967267644f99be700c1af1a2c56b2bfe06f54'

  url 'http://cdn1.evernote.com/mac-smd/prerelease/Evernote_BETA_5.6.0_Beta_6_450650.zip'
  homepage 'https://evernote.com/'
  license :unknown

  app 'Evernote.app'
end
```

Upgrade Evernote Beta to BETA_6.0.6_Beta_1_451237
user
```ruby
cask :v1 => 'evernote-beta' do
  version 'BETA_6.0.6_Beta_1_451237'
  sha256 'c4e81b59523a29f869916ee3c24c0bcbe41005fe4deabbc6c7cc590a21c05ac3'

  url "http://cdn1.evernote.com/mac-smd/prerelease/Evernote_#{version}.zip"
  homepage 'https://evernote.com/'
  license :unknown

  app 'Evernote.app'
end
```
assistant