thread-parent.gemspec in thread-parent-1.0.1 vs thread-parent.gemspec in thread-parent-1.0.2

@@ -14,6 +14,8 @@
 
   gem.files         = `git ls-files`.split($/)
   gem.executables   = gem.files.grep(%r{^bin/}).map{ |f| File.basename(f) }
   gem.test_files    = gem.files.grep(%r{^(test|spec|features)/})
   gem.require_paths = ['lib']
+
+  gem.add_development_dependency 'rake'
 end