@ -1,6 +1,6 @@
source 'https://rubygems.org'
gem 'asciidoctor', '2.0.11'
gem 'asciidoctor-multipage', '0.0.12 '
gem 'asciidoctor-multipage', '0.0.12'
gem 'concurrent-ruby', '1.1.7'
gem 'tilt', '2.0.10'