Gemfile in vagrant-pe_build-0.13.6 vs Gemfile in vagrant-pe_build-0.13.7

@@ -1,9 +1,8 @@
 source 'https://rubygems.org'
-ruby '2.0.0' # Required by Vagrant 1.4 and newer.
 
-ENV['TEST_VAGRANT_VERSION'] ||= 'v1.7.4'
+ENV['TEST_VAGRANT_VERSION'] ||= 'v1.8.1'
 
 # Wrapping gemspec in the :plugins group causes Vagrant 1.5 and newer to
 # automagically load this plugin during acceptance tests.
 group :plugins do
   gemspec
@@ -19,10 +18,10 @@
     gem 'vagrant', :github => 'mitchellh/vagrant', :branch => 'master'
   else
     gem 'vagrant', :github => 'mitchellh/vagrant', :tag => ENV['TEST_VAGRANT_VERSION']
   end
 
-  # Pinned on 12/10/2014. Compatible with Vagrant 1.5.x, 1.6.x and 1.7.x.
+  # Pinned on 12/10/2014. Compatible with Vagrant 1.6.x, 1.7.x and 1.8.x.
   gem 'vagrant-spec', :github => 'mitchellh/vagrant-spec', :ref => '1df5a3a'
 end
 
 eval_gemfile "#{__FILE__}.local" if File.exists? "#{__FILE__}.local"