diff --git a/gollum.gemspec b/gollum.gemspec
index d78fac15..a9796213 100644
--- a/gollum.gemspec
+++ b/gollum.gemspec
@@ -25,7 +25,7 @@ Gem::Specification.new do |s|
   s.extra_rdoc_files = %w[README.md LICENSE]
 
   s.add_dependency 'gollum-lib', '~> 4.0', '>= 4.0.1'
-  s.add_dependency 'github-markdown', '~> 0.6.5'
+  s.add_dependency 'kramdown', '~> 1.6.0'
   s.add_dependency 'sinatra', '~> 1.4', '>= 1.4.4'
   s.add_dependency 'mustache', ['>= 0.99.5', '< 1.0.0']
   s.add_dependency 'useragent', '~> 0.10.0'