diff --git a/package.json b/package.json
index 065464e..a8010bc 100644
--- a/package.json
+++ b/package.json
@@ -13,7 +13,8 @@
   },
   "files": [
     "lib",
-    "index.js"
+    "index.js",
+    "sitemap.xml"
   ],
   "repository": "hexojs/hexo-generator-sitemap",
   "keywords": [