is.gemspec in is-0.0.1 vs is.gemspec in is-0.0.2

@@ -18,6 +18,7 @@
   s.test_files    = `git ls-files -- {test,spec,features}/*`.split("\n")
   s.executables   = `git ls-files -- bin/*`.split("\n").map{ |f| File.basename(f) }
   s.require_paths = ["lib"]
 
   s.add_development_dependency "rspec"
+  s.add_development_dependency "rake"
 end