diff --git a/Rakefile b/Rakefile
index c16cfbbb..646b7f1f 100644
--- a/Rakefile
+++ b/Rakefile
@@ -22,3 +22,7 @@ Rake::RDocTask.new(:rdoc) do |rdoc|
   rdoc.rdoc_files.include('README')
   rdoc.rdoc_files.include('lib/**/*.rb')
 end
+
+task :rcov
+  `rcov test/*.rb`
+end