rack-schema.gemspec in rack-schema-0.6.1 vs rack-schema.gemspec in rack-schema-0.7.0

@@ -16,19 +16,20 @@
   spec.files         = `git ls-files`.split($/)
   spec.executables   = spec.files.grep(%r{^bin/}) { |f| File.basename(f) }
   spec.test_files    = spec.files.grep(%r{^(test|spec|features)/})
   spec.require_paths = ["lib"]
 
-  spec.add_dependency "rack", "~> 1.0"
+  spec.add_dependency "rack", ">= 1.0", '< 3.0'
   spec.add_dependency "multi_json",  "~> 1.0"
   spec.add_dependency "json-schema", "~> 2.0"
   spec.add_dependency "link_header", "~> 0.0.8"
 
   spec.add_development_dependency "bundler", "~> 1.6"
   spec.add_development_dependency "json", "> 0"
   spec.add_development_dependency "rake", "~> 10.0"
   spec.add_development_dependency "rack-test", "~> 0.6"
   spec.add_development_dependency "rspec", "~> 3.0"
   spec.add_development_dependency "pry", "~> 0.10"
-  spec.add_development_dependency "simplecov", "~> 0.7.0"
+  spec.add_development_dependency "simplecov", "~> 0.9"
   spec.add_development_dependency "coveralls", "> 0"
+  spec.add_development_dependency "appraisal", "~> 2.1"
 end