diff --git a/package.json b/package.json
index cfeb5ef..f985b07 100644
--- a/package.json
+++ b/package.json
@@ -14,11 +14,18 @@
   },
   "main": "dist/index.js",
   "types": "dist/index.d.ts",
+  "files": [
+    "dist",
+    "README.md",
+    "LICENSE",
+    "CHANGELOG.md"
+  ],
   "engines": {
     "node": ">=18.0.0"
   },
   "scripts": {
     "build": "tsc",
+    "prepare": "npm run build",
     "dev": "tsc --watch",
     "test": "jest",
     "test:watch": "jest --watch",