diff --git a/scripts/copy-build-files.js b/scripts/copy-build-files.js
index c8c444e..dd6eb6e 100644
--- a/scripts/copy-build-files.js
+++ b/scripts/copy-build-files.js
@@ -22,7 +22,7 @@ async function createPackageFile() {
     exports: {
       '.': {
         import: {
-          types: './index.d.ts',
+          types: './index.d.mts',
           default: './index.module.mjs',
         },
         require: {