cannot install redmine_jenkins on redmine 4.1.1

[karippery]

i need to install jenkins plugins on my new redmine 4.1.1. unfortunately i got error

root@oreo:/usr/share/redmine/plugins# bundle exec rake redmine:plugins:migrate RAILS_ENV=production

[!] There was an error parsing `Gemfile`:
[!] There was an error parsing `Gemfile`: You cannot specify the same gem twice with different version requirements.
You specified: simplecov (~> 0.17.0) and simplecov (~> 0.9.1). Bundler cannot continue.

 #  from /usr/share/redmine/plugins/redmine_jenkins/Gemfile:22
 #  -------------------------------------------
 #    # Code coverage
 >    gem 'simplecov', '~> 0.9.1'
 #    gem 'simplecov-rcov'
 #  -------------------------------------------
. Bundler cannot continue.

 #  from /usr/share/redmine/Gemfile:101
 #  -------------------------------------------
 #  Dir.glob File.expand_path("../plugins/*/{Gemfile,PluginGemfile}", __FILE__) do |file|
 >    eval_gemfile file
 #  end
 #  -------------------------------------------

Environment:
Redmine version 4.1.1.stable
Ruby version 2.3.3-p222 (2016-11-21) [x86_64-linux-gnu]
Rails version 5.2.4.2

please help me