diff --git a/package.json b/package.json
index 84de49a..185c29f 100644
--- a/package.json
+++ b/package.json
@@ -6,6 +6,7 @@
   "main": "lib/cjs/index.js",
   "module": "lib/esm/index.js",
   "types": "lib/esm/index.d.ts",
+  "type": "module",
   "scripts": {
     "build": "yarn build:esm && yarn build:cjs",
     "build:esm": "tsc",