interval_notation.gemspec in interval_notation-0.1.1 vs interval_notation.gemspec in interval_notation-0.1.2

@@ -18,6 +18,7 @@
   spec.test_files    = spec.files.grep(%r{^(test|spec|features)/})
   spec.require_paths = ["lib"]
 
   spec.add_development_dependency "bundler", "~> 1.7"
   spec.add_development_dependency "rake", "~> 10.0"
+  spec.add_development_dependency "rspec", "~> 3.1.0"
 end