Error when installing with composer

I am trying to install this bundle on an oro platform / symfony application. I get the following error when running composer update

[Composer\Downloader\TransportException]  
The "https://api.github.com/repos/Backplane/zf2/zipball/57de1d9e3fe0564d2572e0a961e905ae2279c003" file could not be downloaded (HTTP/1.1 404 Not Found)   
