diff --git a/package.json b/package.json
index 9050464..542d687 100644
--- a/package.json
+++ b/package.json
@@ -33,6 +33,7 @@
   "main": "dist/index.cjs",
   "files": [
     "dist/**/*",
+    "preset.cjs",
     "src/**/*",
     "README.md"
   ],