diff --git a/package.json b/package.json
index fbf17ebf3..35644723e 100644
--- a/package.json
+++ b/package.json
@@ -20,7 +20,7 @@
     "release": "NODE_ENV=production yarn build:rollup && yarn test &&  lerna publish",
     "serve": "cd ./site && next",
     "start": "npm-run-all --parallel --print-label watch serve",
-    "test": "mocha --require ./config/babel/register ./packages/*/test/index.js",
+    "test": "mocha --require ./config/babel/register.cjs ./packages/*/test/index.js",
     "test:debug": "mocha debug --require ./config/babel/register ./packages/*/test/index.js",
     "watch": "yarn build:rollup --watch"
   },