voltos.gemspec in voltos-0.3.0rc1 vs voltos.gemspec in voltos-0.3.0.rc2

@@ -39,8 +39,9 @@
   # spec.add_development_dependency "rspec"
   # spec.add_development_dependency 'curb', '~> 0'
   # spec.add_development_dependency "json"
 
   spec.add_runtime_dependency "curb", [">= 0"]
+  spec.add_runtime_dependency "rubyzip", [">= 0"]
   # spec.add_runtime_dependency "json", [">= 0"]
   # add_runtime_dependency 'curb', '>= 0', '~> 0'
 end