diff --git a/package.json b/package.json
index d4bcc90..1c6a0e3 100644
--- a/package.json
+++ b/package.json
@@ -84,5 +84,6 @@
     "semi": true,
     "singleQuote": false,
     "endOfLine": "lf"
-  }
+  },
+  "packageManager": "pnpm@9.1.4"
 }
diff --git a/vite.config.ts b/vite.config.ts
index 4c47fa8..ae8e657 100644
--- a/vite.config.ts
+++ b/vite.config.ts
@@ -16,6 +16,7 @@ export default defineConfig({
       modernPolyfills: true,
       polyfills: ["web.structured-clone"],
       additionalModernPolyfills: [
+        "core-js/modules/es.object.has-own.js",
         path.resolve("./src/polyfills/matchMedia.js"),
         path.resolve("./src/polyfills/WeakRef.js"),
         path.resolve("./src/polyfills/RegExp.js"),