diff --git a/package.json b/package.json
index 637924267..3cacb8b00 100644
--- a/package.json
+++ b/package.json
@@ -16,6 +16,10 @@
     "./promise": "./src/promise/index.ts",
     "./package.json": "./package.json"
   },
+  "files": [
+    "dist/*",
+    "esm/*"
+  ],
   "publishConfig": {
     "access": "public",
     "exports": {