guard-rake-vagrant.gemspec in guard-rake-vagrant-0.0.2 vs guard-rake-vagrant.gemspec in guard-rake-vagrant-0.0.3

@@ -11,9 +11,10 @@
   s.summary     = %q{Guard Plugin that uses Rake and Vagrant to converge cookbooks and run integration tests}
   s.description = %q{guard-rake-vagrant runs rake tasks from Rakefile automatically but first provisioning a box using Vagrant}
 
   s.add_dependency 'guard'
   s.add_dependency 'rake'
+  s.add_dependency 'mixlib-shellout'
 
   s.files         = `git ls-files`.split("\n")
   s.test_files    = `git ls-files -- {test,spec,features}/*`.split("\n")
   s.executables   = `git ls-files -- bin/*`.split("\n").map {|f| File.basename(f) }
   s.require_paths = ['lib']