diff --git a/Gemfile b/Gemfile index ac0571ed5..0893f08a4 100644 --- a/Gemfile +++ b/Gemfile @@ -13,6 +13,6 @@ gem 'asciidoctor-pdf', '2.3.17' gem 'coderay', '1.1.3' gem 'pygments.rb', '2.4.1' gem 'thread_safe', '0.3.6' -gem 'epubcheck-ruby', '5.1.0.0' +gem 'epubcheck-ruby', '5.2.0.0' gem 'html-proofer', '5.0.9' gem 'kindlegen', '3.1.1'