Rakefile in jspec-3.0.0 vs Rakefile in jspec-3.1.0

@@ -21,6 +21,8 @@
 namespace :spec do
   desc 'Run jspec executable specs'
   task :bin do
     sh 'spec --color --require spec/ruby/bin/spec_helper.rb spec/ruby/bin/*_spec.rb'
   end
-end
+end
+
+task :gemspec => :build_gemspec
\ No newline at end of file