Rakefile in omniauth-oauth2-1.4.0 vs Rakefile in omniauth-oauth2-1.5.0

@@ -13,6 +13,6 @@
   task :rubocop do
     $stderr.puts "RuboCop is disabled"
   end
 end
 
-task :default => [:spec, :rubocop]
+task :default => %i[spec rubocop]