diff --git a/scripts/postbuild.js b/scripts/postbuild.js
index 15acfaaf..a8b64eb7 100644
--- a/scripts/postbuild.js
+++ b/scripts/postbuild.js
@@ -90,7 +90,7 @@ function addEntryFile () {
 }
 
 function addFileHeader () {
-  const files = glob('dist/**/*.@(css|js|json|ts|d.ts|scss|less)')
+  const files = glob('dist/**/*.@(css|js|ts|d.ts|scss|less)')
   files.forEach((file) => {
     try {
       const filePath = resolve(__dirname, '../', file)