diff --git a/.istanbul b/.istanbul.yml
similarity index 100%
rename from .istanbul
rename to .istanbul.yml
diff --git a/package.json b/package.json
index c404a02..d987fff 100755
--- a/package.json
+++ b/package.json
@@ -35,6 +35,7 @@
     "devDependencies": {
         "betterdocco": ">= 0.7.4",
         "chai": ">= 3.5.0",
+        "coffee-coverage": ">= 1.0.1",
         "coveralls": ">= 2.11.12",
         "istanbul": ">= 0.4.4",
         "mocha": ">= 3.0.0",
diff --git a/test/mocha.opts b/test/mocha.opts
new file mode 100644
index 0000000..795baec
--- /dev/null
+++ b/test/mocha.opts
@@ -0,0 +1,3 @@
+--compilers coffee:coffee-script/register
+--require coffee-coverage/register-istanbul
+--recursive
\ No newline at end of file