Rakefile in adapter-0.5.2 vs Rakefile in adapter-0.6.0

@@ -1,7 +1,6 @@
-require 'bundler'
-Bundler::GemHelper.install_tasks
+require 'bundler/gem_tasks'
 
 require 'rspec/core/rake_task'
 RSpec::Core::RakeTask.new
 
-task :default => :spec
\ No newline at end of file
+task :default => :spec