diff --git a/package.json b/package.json
index 70b496d..e9f8635 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "object-descriptors",
-  "version": "0.2.0",
+  "version": "0.2.1",
   "description": "A pretty well typed `Object.getOwnPropertyDescriptors` polyfill.",
   "cdn": "dist/index.umd.min.js",
   "main": "dist/index.js",
@@ -14,6 +14,7 @@
     "types/"
   ],
   "scripts": {
+    "prepublishOnly": "yarn test && yarn build",
     "test": "jest",
     "build": "bili"
   },