feep.gemspec in feep-0.2.1 vs feep.gemspec in feep-0.2.2

@@ -21,10 +21,10 @@
 
   spec.add_runtime_dependency 'wavefile', '= 0.6.0'
   spec.add_runtime_dependency 'os', '~> 0.9', '>= 0.9.6'
 
   spec.add_development_dependency 'pry-byebug', '~> 3.0'
-  spec.add_development_dependency 'bundler', '~> 1.8'
-  spec.add_development_dependency 'rake', '~> 10.0'
+  spec.add_development_dependency 'bundler', '~> 2.0'
+  spec.add_development_dependency 'rake', '~> 12.0'
   spec.add_development_dependency 'rspec', '~> 3.0'
   spec.add_development_dependency 'rubocop', '~> 0.52.1'
 end