diff --git a/package.json b/package.json
index 7370035..0ca2db5 100644
--- a/package.json
+++ b/package.json
@@ -4,6 +4,11 @@
   "description": "A streaming way to send data to a Node.js Worker Thread",
   "main": "index.js",
   "types": "index.d.ts",
+  "files": [
+    "index.js",
+    "index.d.ts",
+    "lib/"
+  ],
   "engines": {
     "node": ">=20"
   },