ffi-openmpt.gemspec in ffi-openmpt-0.3.0 vs ffi-openmpt.gemspec in ffi-openmpt-0.4.0

@@ -26,14 +26,14 @@
   end
   spec.bindir        = 'exe'
   spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ['lib']
 
-  spec.required_ruby_version = '>= 2.2.0'
+  spec.required_ruby_version = '>= 2.3.0'
 
   spec.add_runtime_dependency 'ffi', '~> 1.9'
 
-  spec.add_development_dependency 'bundler', '~> 1.16'
+  spec.add_development_dependency 'bundler', '~> 2.0.1'
   spec.add_development_dependency 'coveralls', '~> 0.8'
   spec.add_development_dependency 'minitest', '~> 5.0'
   spec.add_development_dependency 'rake', '~> 10.0'
   spec.add_development_dependency 'rubocop', '~> 0.54'
 end