diff --git a/Gemfile b/Gemfile
index acb647d..fab1da9 100644
--- a/Gemfile
+++ b/Gemfile
@@ -2,4 +2,5 @@ source 'http://rubygems.org'
 
 # Specify your gem's dependencies in financial_maths.gemspec
 gemspec
-gem 'rspec'
\ No newline at end of file
+gem 'rspec'
+gem 'coveralls', require: false
\ No newline at end of file
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 028116d..c59dd78 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -1,6 +1,8 @@
 require 'rubygems'
 require 'bundler/setup'
 require 'financial_maths'
+require 'coveralls'
+Coveralls.wear!
 
 include FinancialMaths
 RSpec.configure do |config|