diff --git a/package.json b/package.json
index 8aee6af7a2..fb30e4c5b9 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,7 @@
     "rule": "babel scripts/new-rule.js | node",
     "semantic-release": "semantic-release pre && npm publish && semantic-release post",
     "test": "npm run lint && npm run build && npm run unit-test && npm run check-coverage",
-    "unit-test": "istanbul cover --dir reports/coverage node_modules/mocha/bin/_mocha tests/**/*.js -- --reporter dot --compilers js:babel/register"
+    "unit-test": "istanbul cover --dir reports/coverage node_modules/mocha/bin/_mocha tests/**/*.js -- -t 4000 --reporter dot --compilers js:babel/register"
   },
   "files": [
     "LICENSE",