diff --git a/wasm/package.merge.json b/wasm/package.merge.json
index a8ea64c..5552252 100644
--- a/wasm/package.merge.json
+++ b/wasm/package.merge.json
@@ -1,6 +1,8 @@
 {
   "name": "@minify-html/wasm",
   "description": "Extremely fast and smart HTML + JS + CSS minifier",
+  "type": "module",
+  "main": "index.js",
   "repository": {
     "type": "git",
     "url": "git+https://github.com/wilsonzlin/minify-html.git"