judge_system.gemspec in judge_system-1.6.2 vs judge_system.gemspec in judge_system-1.7.0

@@ -25,10 +25,11 @@
     f.match(%r{^(test|spec|features)/})
   end
   spec.bindir        = "exe"
   spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ["lib"]
-
+  spec.add_development_dependency "rbzip2"
+  spec.add_development_dependency "ffi"
   spec.add_development_dependency "bundler", "~> 1.13"
   spec.add_development_dependency "rake", "~> 10.0"
   spec.add_development_dependency "rspec", "~> 3.0"
 end