Last Updated: February 25, 2016
· s1l3nt

Upgrade to ruby 2.x on Mac OS X with rbenv & homebrew

brew update
brew upgrade

brew should upgrade ruby-build

rbenv rehash
rbenv install 2.0.0-p0

cd to project

vim .rbenv-version

change line from 1.9.3-x to 2.0.0-p0

ruby -v 

should return 2.0.0

gem -v

should return 2.0.0

gem install bundler

bundle update

try new stable version of ruby ;)