diff --git a/src/services/config.ts b/src/services/config.ts
index 6065132..e531069 100644
--- a/src/services/config.ts
+++ b/src/services/config.ts
@@ -1,10 +1,24 @@
 import TOML from 'smol-toml';
 import { CONFIG_PATH } from '@blog/config';
 
-export async function getSiteConfig() {
+export type SiteConfig = {
+  title: string;
+  owner: {
+    name: string;
+    email: string;
+  };
+  site: {
+    description: string;
+    url: string;
+    repo: string;
+    language: string;
+    copyright: string;
+  }
+}
+
+export async function getSiteConfig(): Promise<SiteConfig> {
   const siteConfig = CONFIG_PATH + '/site.toml';
   const file = Bun.file(siteConfig);
   const data = await file.text();
-
-  return TOML.parse(data);
+  return TOML.parse(data) as SiteConfig;
 }