diff --git a/package.json b/package.json
index 097042b..652a636 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,8 @@
   ],
   "main": "lib/index",
   "scripts": {
-    "test": "tape test --tap | tap-min"
+    "test": "tape test --tap | tap-min",
+    "coverage": "istanbul cover tape test -- -R spec"
   },
   "homepage": "https://github.com/LightAir/turbo-rss",
   "author": {