undefined method `protocol'

[Natd]

I need https, but this method doesnt work

Generating sitemap...
rake aborted!
NoMethodError: undefined method protocol' for #<DynamicSitemaps::Generator:0x000000047b4f90> /home/gabstez/vladproject/config/sitemap.rb:4:ingenerate'
/home/gabstez/.rvm/gems/ruby-2.1.3/gems/dynamic_sitemaps-2.0.0/lib/dynamic_sitemaps/generator.rb:10:in instance_eval' /home/gabstez/.rvm/gems/ruby-2.1.3/gems/dynamic_sitemaps-2.0.0/lib/dynamic_sitemaps/generator.rb:10:ingenerate'
/home/gabstez/.rvm/gems/ruby-2.1.3/gems/dynamic_sitemaps-2.0.0/lib/dynamic_sitemaps.rb:27:in generate_sitemap' /home/gabstez/.rvm/gems/ruby-2.1.3/gems/dynamic_sitemaps-2.0.0/lib/dynamic_sitemaps/tasks/sitemap.rake:5:inblock (2 levels) in <top (required)>'
/home/gabstez/.rvm/gems/ruby-2.1.3/bin/ruby_executable_hooks:15:in eval' /home/gabstez/.rvm/gems/ruby-2.1.3/bin/ruby_executable_hooks:15:in

'
Tasks: TOP => sitemap:build => sitemap:generate

[Natd]

ok it's worked if i specify

gem 'dynamic_sitemaps', git: 'git@github.com:lassebunk/dynamic_sitemaps.git'

in Gemfile
i think in rubygems old version

[rastasheep]

+1 on this
Please update version on rubygems

Tnx!