writeexcel.gemspec in writeexcel-1.0.1 vs writeexcel.gemspec in writeexcel-1.0.2

@@ -18,6 +18,7 @@
   gem.require_paths = ["lib"]
   gem.extra_rdoc_files = [
     "LICENSE.txt",
     "README.rdoc"
   ]
+  gem.add_development_dependency 'simplecov'
 end