diff --git a/astro.config.ts b/astro.config.ts
index c13d438a..20354575 100644
--- a/astro.config.ts
+++ b/astro.config.ts
@@ -16,5 +16,8 @@ export default {
   site: 'https://vorant94.io',
   markdown: {
     remarkPlugins: [readingTimePlugin],
+    shikiConfig: {
+      theme: 'github-light',
+    },
   },
 } satisfies AstroUserConfig;