diff --git a/package.json b/package.json
index 2db6494..aa308b7 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
     "dist"
   ],
   "scripts": {
-    "build": "tsc",
+    "build": "tsc && cp ./dist/index.js ./dist/index.mjs",
     "test": "vitest"
   },
   "devDependencies": {
diff --git a/tsconfig.json b/tsconfig.json
index 38597f0..f4cae78 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -6,11 +6,11 @@
     "declarationDir": "./dist",
     "emitDeclarationOnly": false,
     "target": "ESNext",
-    "module": "NodeNext",
+    "module": "ESNext",
     "strict": true,
     "esModuleInterop": true,
     "skipLibCheck": true,
-    "moduleResolution": "NodeNext"
+    "moduleResolution": "Bundler"
   },
   "include": ["src"]
 }