diff --git a/package.json b/package.json
index ccc2707..4f6f83e 100644
--- a/package.json
+++ b/package.json
@@ -16,12 +16,17 @@
     "map-stream": "~0.1.0"
   },
   "devDependencies": {
-    "mocha": "*",
-    "should": "*",
-    "jshint": "*"
+    "mocha": "~1.17.0",
+    "should": "~2.1.1",
+    "mocha-lcov-reporter": "0.0.1",
+    "coveralls": "~2.6.1",
+    "istanbul": "~0.2.3",
+    "rimraf": "~2.2.5",
+    "jshint": "~2.4.1"
   },
   "scripts": {
-    "test": "mocha && jshint"
+    "test": "mocha --reporter spec && jshint",
+    "coveralls": "istanbul cover _mocha --report lcovonly -- -R spec && cat ./coverage/lcov.info | coveralls && rm -rf ./coverage"
   },
   "engines": {
     "node": ">= 0.9"