build-graph.gemspec in build-graph-0.0.1 vs build-graph.gemspec in build-graph-0.1.0

@@ -18,9 +18,11 @@
 	spec.files         = `git ls-files`.split($/)
 	spec.executables   = spec.files.grep(%r{^bin/}) { |f| File.basename(f) }
 	spec.test_files    = spec.files.grep(%r{^(test|spec|features)/})
 	spec.require_paths = ["lib"]
 
+	spec.add_dependency "process-group", "~> 0.1.0"
+
 	spec.add_dependency "system"
 	spec.add_dependency "rainbow"
 
 	spec.add_development_dependency "bundler", "~> 1.3"
 	spec.add_development_dependency "rake"