diff --git a/package.json b/package.json
index 93d9fe7..eed8b99 100644
--- a/package.json
+++ b/package.json
@@ -3,6 +3,7 @@
   "version": "2.1.1",
   "description": "Convert color string (or parseable argument) to RGBA array",
   "main": "index.js",
+  "module": "./index.mjs",
   "scripts": {
     "test": "node test.mjs"
   },