diff --git a/Gemfile b/Gemfile
index fe39f2f..7e52338 100644
--- a/Gemfile
+++ b/Gemfile
@@ -3,9 +3,14 @@ source 'http://rubygems.org'
 gemspec
 
 gem 'redjs', :git => 'https://github.com/cowboyd/redjs.git'
-gem 'libv8', "~> 3.11.8"
 gem "rake"
 gem "rspec", "~> 2.0"
 gem "rake-compiler"
 gem 'gem-compiler' unless Object.const_defined?(:RUBY_ENGINE) && RUBY_ENGINE == 'rbx'
 
+group :libv8 do
+  gem 'libv8', "~> 3.11.8"
+end
+
+
+