ruby do # this is a lie! this gem must be compatible with 1.8.7, 1.9.x and 2.x. # we're specifying the least common denominator here, as the bulk of our # code is still tied to Ruby 1.8. version 'ree-1.8.7-2012.02' # jeweler gem is sensitive to rubygems version; moreover, RubyGems > 1.3 sometimes generates # gem indexes that are not readable by 1.3 ... once again, take the least common denominator # approach. rubygems '1.3.7' end bundler do version '1.3.5' end