add backports for ruby 1.8

1 files changed, 2 insertions, 0 deletions

diff --git a/Gemfile b/Gemfile
index 095cb54..9bd3f2c 100644
--- a/Gemfile
+++ b/Gemfile
@@ -2,6 +2,8 @@ source 'https://rubygems.org'
 
 gemspec
 
+gem 'backports', :platform => :ruby_18
+
 group :development do
   gem 'guard'
   gem 'guard-bundler'