Gemfile in github-markup-1.3.3 vs Gemfile in github-markup-1.4.0

@@ -7,7 +7,7 @@
 gem "RedCloth"
 gem "rdoc", "~>3.6"
 gem "org-ruby", "= 0.9.9"
 gem "creole", "~>0.3.6"
 gem "wikicloth", "=0.8.1", :platforms => :ruby
-gem "asciidoctor", "= 0.1.4"
-gem "rake"
\ No newline at end of file
+gem "asciidoctor", "= 1.5.2"
+gem "rake"