```ruby
dep 'nodejs', :version, :template => 'src' do
  version.default!('0.10.21')
  source "http://nodejs.org/dist/v#{version}/node-v#{version}.tar.gz"
  provides "node ~> #{version}"
end

dep 'nodemon.npm' do
  provides 'nodemon'
end
```

Update node.js version to 0.12.0
user
```ruby
dep 'nodejs', :version, :template => 'src' do
  version.default!('0.12.0')
  source "http://nodejs.org/dist/v#{version}/node-v#{version}.tar.gz"
  provides "node ~> #{version}"
end

dep 'nodemon.npm' do
  provides 'nodemon'
end
```
assistant