```ruby
default["hhvm"]["package"]["name"] = "hhvm"
default["hhvm"]["package"]["version"] = "3.5.0~precise"

default["hhvm"]["package"]["url"] = "https://s3.amazonaws.com/travis-php-packages/hhvm_2.3.0_amd64.deb"
```

Update HHVM version for Trusty
user
```ruby
default["hhvm"]["package"]["name"] = "hhvm"
default["hhvm"]["package"]["version"] = "3.5.1~trusty"

default["hhvm"]["package"]["url"] = "https://s3.amazonaws.com/travis-php-packages/hhvm_2.3.0_amd64.deb"
```
assistant