2.x no longer installable due to composer.json

Loading composer repositories with package information
Updating dependencies (including require-dev)
Your requirements could not be resolved to an installable set of packages.

  Problem 1
    - Installation request for commerceguys/pricing dev-master -> satisfiable by commerceguys/pricing[dev-master].
    - commerceguys/pricing dev-master requires commerceguys/intl ~0.5 -> no matching package found.
  Problem 2
    - Installation request for commerceguys/tax dev-master -> satisfiable by commerceguys/tax[dev-master].
    - commerceguys/tax dev-master requires commerceguys/addressing ~0.5 -> no matching package found.
  Problem 3
    - Installation request for commerceguys/zone dev-master -> satisfiable by commerceguys/zone[dev-master].
    - commerceguys/zone dev-master requires commerceguys/addressing ~0.5 -> no matching package found.

Potential causes:
 - A typo in the package name
 - The package is not available in a stable-enough version according to your minimum-stability setting
   see <https://groups.google.com/d/topic/composer-dev/_g3ASeIFlrc/discussion> for more details.

Read <http://getcomposer.org/doc/articles/troubleshooting.md> for further common problems.

Travis: https://travis-ci.org/joshuataylor/commerce/jobs/53516742