Rakefile in fast_gettext-0.6.10 vs Rakefile in fast_gettext-0.6.11

@@ -1,17 +1,18 @@
 require 'bundler/gem_tasks'
+require 'bump/tasks'
 
 task :default do
   ['~>2', '~>3'].each do |version|
     sh "export AR='#{version}' && (bundle check || bundle install) && bundle exec rspec spec"
   end
   sh "git checkout Gemfile.lock"
 end
 
 task :benchmark do
-  puts "Running on #{RUBY}"
+  puts "Running on #{RUBY_DESCRIPTION}"
   %w[baseline ideal fast_gettext original i18n_simple].each do |bench|
-    puts `ruby benchmark/#{bench}.rb`
+    puts `ruby -I. benchmark/#{bench}.rb`
     puts ""
   end
 end
 
 task :namespaces do