Composer not finding symfony/config in PHP 5.3.3

Error:
[Composer\Downloader\TransportException]
The "http://nodeload.github.com/symfony/Config/zipball/v2.1.3" file could not be downloaded (HTTP/1.1 404 Not Found)

https://travis-ci.org/#!/phpbb/phpbb3/jobs/3050968

5.3.17 works fine.