1 files changed, 2 insertions, 0 deletions

diff --git a/Gemfile b/Gemfile
index 7e3e3bd..a65c604 100644
--- a/Gemfile
+++ b/Gemfile
@@ -2,6 +2,8 @@ source 'https://rubygems.org'
 
 gemspec
 
+gem 'rubysl', :platforms => :rbx
+
 group :test do
   gem 'thor'
   gem 'rack'