jeff.gemspec in jeff-0.4.1 vs jeff.gemspec in jeff-0.4.2

@@ -15,9 +15,10 @@
   gem.name          = 'jeff'
   gem.require_paths = ['lib']
   gem.version       = Jeff::VERSION
 
   gem.add_dependency             'excon', '~> 0.16.0'
-  gem.add_development_dependency 'guard-rspec'
   gem.add_development_dependency 'rake'
   gem.add_development_dependency 'rspec'
+
+  gem.required_ruby_version = '>= 1.9'
 end