diff --git a/pages/robots.txt.tsx b/pages/robots.txt.tsx
index 8aaa921..4eeb4e0 100644
--- a/pages/robots.txt.tsx
+++ b/pages/robots.txt.tsx
@@ -21,7 +21,7 @@ export const getServerSideProps: GetServerSideProps = async ({ req, res }) => {
   if (process.env.VERCEL_ENV === 'production') {
     res.write(`User-agent: *
 Allow: /
-Disallow: /api/*
+Disallow: /api/get-tweet-ast/*
 
 Sitemap: ${host}/sitemap.xml
 `)