lps.gemspec in lps-0.2.0 vs lps.gemspec in lps-0.2.1

@@ -17,6 +17,7 @@
 
   gem.add_runtime_dependency 'option_initializer', '~> 1.5.0'
   gem.add_development_dependency 'test-unit'
   gem.add_development_dependency 'guard'
   gem.add_development_dependency 'guard-test'
+  gem.add_development_dependency 'rake'
 end