diff --git a/tsup.config.ts b/tsup.config.ts
index ccd26a4..c70f38f 100644
--- a/tsup.config.ts
+++ b/tsup.config.ts
@@ -8,7 +8,7 @@ export default defineConfig({
   format: ['cjs', 'esm'],
   platform: 'node',
   tsconfig: './tsconfig.json',
-  target: 'es2015',
+  target: 'es2020',
   legacyOutput: true,
   shims: false,
   dts: true,