diff --git a/default.js b/default.js
index 51b108d..c935fa7 100644
--- a/default.js
+++ b/default.js
@@ -1,3 +1,2 @@
 'use strict'
-
 module.exports = require('./index.js')()
diff --git a/index.test-d.ts b/index.test-d.ts
index 765bc15..c2b7e7e 100644
--- a/index.test-d.ts
+++ b/index.test-d.ts
@@ -1,5 +1,5 @@
 import { expectType } from 'tsd';
-import rfdc = require('.');
+import rfdc = require('./index.js');
 
 const clone = rfdc();
 
diff --git a/package.json b/package.json
index 384153d..b72a86a 100644
--- a/package.json
+++ b/package.json
@@ -4,8 +4,14 @@
   "description": "Really Fast Deep Clone",
   "main": "index.js",
   "exports": {
-    ".": "./index.js",
-    "./default": "./default.js"
+    ".": {
+      "require": "./index.js", 
+      "import": "./index.mjs" 
+    },
+    "./default":  {
+      "require": "./default.js", 
+      "import": "./default.mjs" 
+    }
   },
   "scripts": {
     "test": "tap -R min test && npm run lint",