diff --git a/package.json b/package.json
index c4b7c65..c9ab44a 100644
--- a/package.json
+++ b/package.json
@@ -143,6 +143,7 @@
           ]
         ]
       },
+      "cover": {},
       "development": {
         "presets": [
           "babel-preset-power-assert"