diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 62612b6..8a1b6c9 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -1 +1,5 @@
+require "simplecov"
+
+SimpleCov.start
+
 require "rscons"