diff --git a/package.json b/package.json
index f0277bf..5ad7322 100644
--- a/package.json
+++ b/package.json
@@ -7,7 +7,8 @@
   "module": "dist/index.es.js",
   "jsnext:main": "dist/index.es.js",
   "files": [
-    "dist"
+    "dist",
+    "types.d.ts"
   ],
   "scripts": {
     "start": "rollup -c -w",