Rakefile in haversine-0.3.0 vs Rakefile in haversine-0.3.1

@@ -32,17 +32,17 @@
 require 'rspec/core/rake_task'
 RSpec::Core::RakeTask.new(:spec) do |spec|
   spec.pattern = FileList['spec/**/*_spec.rb']
 end
 
-RSpec::Core::RakeTask.new(:rcov) do |spec|
+RSpec::Core::RakeTask.new(:coverage) do |spec|
   spec.pattern = 'spec/**/*_spec.rb'
-  spec.rcov = true
+  ENV['COVERAGE'] = 'true'
 end
 
 task :default => :spec
 
-require 'rake/rdoctask'
+require 'rdoc/task'
 Rake::RDocTask.new do |rdoc|
   version = File.exist?('VERSION') ? File.read('VERSION') : ""
 
   rdoc.rdoc_dir = 'rdoc'
   rdoc.title = "haversine #{version}"