diff --git a/Gemfile b/Gemfile
index cb1e12fabf6dd99ddfef455f93e4c10647e2e6f4..953f20b69fd8e11fdc3a8f09cc0fbd1696090ab8 100644
--- a/Gemfile
+++ b/Gemfile
@@ -3,3 +3,4 @@ source "http://rubygems.org"
 gemspec
 
 gem "rake"
+gem "coveralls", :require => false
diff --git a/test/test.rb b/test/test.rb
index 046cfadcda29c9b5c949bf8f0260fcc597407738..5aee6ead50566620f8c0d88071671bbacf1c09f1 100644
--- a/test/test.rb
+++ b/test/test.rb
@@ -4,6 +4,14 @@ $LOAD_PATH.unshift "#{TEST_PATH}/../lib"
 
 begin
   require 'simplecov'
+
+  begin
+    require 'coveralls'
+    SimpleCov.formatter = Coveralls::SimpleCov::Formatter
+  rescue LoadError => e
+    $stderr.puts "Skipping coveralls integration"
+  end
+
   SimpleCov.start do
     add_filter 'lib/ruby_parser/ruby18_parser.rb'
     add_filter 'lib/ruby_parser/ruby19_parser.rb'