sixword.gemspec in sixword-0.3.0 vs sixword.gemspec in sixword-0.3.1

@@ -28,6 +28,8 @@
   spec.require_paths = ['lib']
 
   spec.add_development_dependency 'bundler', '~> 1.3'
   spec.add_development_dependency 'rake'
   spec.add_development_dependency 'rspec'
+
+  spec.required_ruby_version = '>= 1.9.3'
 end