diff --git a/package.json b/package.json
index d3019db..70a5d25 100644
--- a/package.json
+++ b/package.json
@@ -9,6 +9,7 @@
     "Jesús Leganés Combarro <piranna@gmail.com>"
   ],
   "main": "index.js",
+  "type": "commonjs",
   "types": "types/index.d.ts",
   "license": "MIT",
   "repository": {