diff --git a/faraday.gemspec b/faraday.gemspec
index f4fef5c8..0e3e7a14 100644
--- a/faraday.gemspec
+++ b/faraday.gemspec
@@ -14,6 +14,7 @@ Gem::Specification.new do |s|
 
   s.add_dependency 'multipart-post', '~> 1.1'
   s.add_development_dependency 'rake'
+  s.add_development_dependency 'simplecov'
   s.add_development_dependency 'test-unit'
   s.add_development_dependency 'webmock'
 
diff --git a/test/helper.rb b/test/helper.rb
index 19d2f438..de249ac3 100644
--- a/test/helper.rb
+++ b/test/helper.rb
@@ -1,3 +1,8 @@
+unless ENV['CI']
+  require 'simplecov'
+  SimpleCov.start
+end
+
 require 'test/unit'
 require 'stringio'