diff --git a/Gemfile b/Gemfile
index ebe8a7aa..878f2d8a 100644
--- a/Gemfile
+++ b/Gemfile
@@ -41,6 +41,7 @@ gem 'creole', :group => 'creole'
 unless RUBY_ENGINE == 'jruby' && JRUBY_VERSION < "1.6.1"
   # C extensions
   gem 'rdiscount', :group => 'rdiscount'
+  gem 'redcarpet', :group => 'redcarpet'
 
   ## bluecloth is broken
   #gem 'bluecloth', :group => 'bluecloth'
diff --git a/README.rdoc b/README.rdoc
index 25da74fe..6bc2cd33 100644
--- a/README.rdoc
+++ b/README.rdoc
@@ -1653,7 +1653,7 @@ The following Ruby versions are officially supported:
   template libraries are known, however, if you choose to use JRuby, please
   look into JRuby rack handlers, as the Thin web server is not fully supported
   on JRuby. JRuby's support for C extensions is still experimental, which only
-  affects RDiscount at the moment.
+  affects RDiscount and Redcarpet at the moment.
 
 <b>Ruby 1.8.6 is no longer supported.</b>