Fixed Rubinius build.

1 files changed, 1 insertions, 0 deletions

diff --git a/Gemfile b/Gemfile
index 61e8f26..2582b00 100644
--- a/Gemfile
+++ b/Gemfile
@@ -3,6 +3,7 @@ source 'http://rubygems.org'
 platforms :rbx do
   gem 'rubysl'
   gem 'rubinius-developer_tools'
+  gem 'racc'
 end
 
 gemspec