BuildRequires needs to be updated as well

The error this can cause during build is:
/usr/bin/ruby193-rake assets:precompile:katello RAILS_ENV=production --trace
rake aborted!
Don't know how to build task 'assets:precompile:katello'
/opt/rh/ruby193/root/usr/share/ruby/rake/task_manager.rb:49:in `[]'
/opt/rh/ruby193/root/usr/share/ruby/rake/application.rb:115:in `invoke_task'
/opt/rh/ruby193/root/usr/share/ruby/rake/application.rb:94:in `block (2 levels) in top_level'
/opt/rh/ruby193/root/usr/share/ruby/rake/application.rb:94:in `each'
/opt/rh/ruby193/root/usr/share/ruby/rake/application.rb:94:in `block in top_level'
/opt/rh/ruby193/root/usr/share/ruby/rake/application.rb:133:in `standard_exception_handling'
/opt/rh/ruby193/root/usr/share/ruby/rake/application.rb:88:in `top_level'
/opt/rh/ruby193/root/usr/share/ruby/rake/application.rb:66:in `block in run'
/opt/rh/ruby193/root/usr/share/ruby/rake/application.rb:133:in `standard_exception_handling'
/opt/rh/ruby193/root/usr/share/ruby/rake/application.rb:63:in `run'
/opt/rh/ruby193/root/usr/bin/rake:32:in `<main>'
Gem loading error: Unable to activate katello-2.1.0, because foreman_docker-0.1.0 conflicts with foreman_docker (>= 0.2.0)
error: Bad exit status from /var/tmp/rpm-tmp.EJsh3J (%install)
RPM build errors:
    Bad exit status from /var/tmp/rpm-tmp.EJsh3J (%install)