diff --git a/eleventy.config.js b/eleventy.config.js
index f074d0b..db01fdb 100644
--- a/eleventy.config.js
+++ b/eleventy.config.js
@@ -41,7 +41,7 @@ export default async function (eleventyConfig) {
   eleventyConfig.addPlugin(eleventyPluginRobotsTxt, {
     sitemapURL: 'https://blog.sebin-nyshkim.net/sitemap.xml',
     shouldBlockAIRobots: true,
-    rules: new Map([['*', [{ allow: '/posts' }]]]),
+    rules: new Map([['*', [{ allow: '/' }, { disallow: '/404.html' }, { disallow: '/og-images' }]]])
   });
   eleventyConfig.addPlugin(eleventyPluginSyntaxHighlight);
   eleventyConfig.addPlugin(eleventyPluginOgImage, {