Rakefile in multi_mime-0.0.4 vs Rakefile in multi_mime-1.0

@@ -1,17 +1,23 @@
 require 'bundler'
 Bundler.setup
 Bundler::GemHelper.install_tasks
 
-require 'yard'
-YARD::Rake::YardocTask.new
-
 require 'rspec/core/rake_task'
 desc 'Run all examples'
 RSpec::Core::RakeTask.new(:spec)
 
-require 'rubocop/rake_task'
-desc 'Run rubocop'
-Rubocop::RakeTask.new(:rubocop)
+begin
+  require 'yard'
+  YARD::Rake::YardocTask.new
+rescue LoadError
+end
+
+begin
+  require 'rubocop/rake_task'
+  desc 'Run rubocop'
+  Rubocop::RakeTask.new(:rubocop)
+rescue LoadError
+end
 
 task default: :spec
 task test: :spec