tty.gemspec in tty-0.0.6 vs tty.gemspec in tty-0.0.7

@@ -18,6 +18,7 @@
   gem.require_paths = ["lib"]
 
   gem.add_development_dependency 'rspec'
   gem.add_development_dependency 'rake'
   gem.add_development_dependency 'yard'
+  gem.add_development_dependency 'benchmark_suite'
 end