diff --git a/vite.config.ts b/vite.config.ts
index 1a03776eec..f53e3f356b 100644
--- a/vite.config.ts
+++ b/vite.config.ts
@@ -26,6 +26,7 @@ export default defineConfig({
     },
     build: {
         minify: false,
+        target: "es2015",
         lib: {
             entry: [resolve(__dirname, "src/index.ts")],
             name: "docx",