diff --git a/package.json b/package.json
index 01f0938..a8d4f5e 100644
--- a/package.json
+++ b/package.json
@@ -10,6 +10,12 @@
     "build": "npm run lint && cross-env NODE_ENV=dev  rollup -c",
     "test": "echo \"Error: no test specified\" && exit 1"
   },
+  "files": [
+    "dist",
+    "index.js",
+    "index.d.ts",
+    "readme.md"
+  ],
   "repository": {
     "type": "git",
     "url": "git+https://github.com/maptalks/colorin.git"
@@ -36,4 +42,4 @@
     "rollup-plugin-node-resolve": "^3.3.0",
     "rollup-plugin-terser": "^7.0.2"
   }
-}
+}
\ No newline at end of file