celluloid-io.gemspec in celluloid-io-0.12.1 vs celluloid-io.gemspec in celluloid-io-0.13.0.pre

@@ -13,12 +13,14 @@
   gem.test_files    = `git ls-files -- {test,spec,features}/*`.split("\n")
   gem.name          = "celluloid-io"
   gem.require_paths = ["lib"]
   gem.version       = Celluloid::IO::VERSION
 
-  gem.add_dependency 'celluloid', '~> 0.12.0'
+  gem.add_dependency 'celluloid', '>= 0.13.0.pre'
   gem.add_dependency 'nio4r',     '>= 0.4.0'
-  
+
   gem.add_development_dependency 'rake'
   gem.add_development_dependency 'rspec'
   gem.add_development_dependency 'benchmark_suite'
+  gem.add_development_dependency 'guard-rspec'
+  gem.add_development_dependency 'rb-fsevent', '~> 0.9.1' if RUBY_PLATFORM =~ /darwin/
 end