diff --git a/vitest.config.ts b/vitest.config.ts
index 8323d08..7a430f1 100644
--- a/vitest.config.ts
+++ b/vitest.config.ts
@@ -1,3 +1,4 @@
+import swc from 'unplugin-swc';
 import { defineConfig } from 'vitest/config';
 
 export default defineConfig({
@@ -15,4 +16,9 @@ export default defineConfig({
       reportsDirectory: './coverage',
     },
   },
+  plugins: [
+    swc.vite({
+      module: { type: 'es6' },
+    }),
+  ],
 });