Rakefile in slack-ruby-bot-0.10.5 vs Rakefile in slack-ruby-bot-0.11.0

@@ -13,7 +13,7 @@
   end
 
   require 'rubocop/rake_task'
   RuboCop::RakeTask.new
 
-  task default: [:rubocop, :spec]
+  task default: %i[rubocop spec]
 end