diff --git a/package.json b/package.json
index 737e196..78e4c6e 100644
--- a/package.json
+++ b/package.json
@@ -16,8 +16,8 @@
   "files": ["dist", "README.md"],
   "engines": { "node": ">=18" },
   "scripts": {
-    "build": "tsc",
-    "prepare": "tsc"
+    "build": "tsc && tsc --module commonjs --outDir dist-cjs --declaration false 2>/dev/null && cp dist-cjs/index.js dist/index.cjs && rm -rf dist-cjs",
+    "prepare": "tsc && tsc --module commonjs --outDir dist-cjs --declaration false 2>/dev/null && cp dist-cjs/index.js dist/index.cjs && rm -rf dist-cjs"
   },
   "devDependencies": {
     "typescript": "^5.7",