diff --git a/package.json b/package.json
index a1ef2e6..0b3df27 100644
--- a/package.json
+++ b/package.json
@@ -6,7 +6,7 @@
     "prepare": "npmluau",
     "dev": "astro dev",
     "start": "astro dev",
-    "build": "astro build && pagefind --site dist",
+    "build": "COMMIT_HASH=`git rev-parse --short HEAD` astro build && pagefind --site dist",
     "preview": "astro preview",
     "astro": "astro",
     "new-post": "lune run new-post",
diff --git a/src/components/Footer.astro b/src/components/Footer.astro
index 98af7b8..895bd0a 100644
--- a/src/components/Footer.astro
+++ b/src/components/Footer.astro
@@ -1,12 +1,17 @@
 ---
 
 import { profileConfig } from "../config";
+
+const COMMIT_HASH = import.meta.env.COMMIT_HASH;
+const COMMIT_HASH_URL = COMMIT_HASH
+  ? `https://github.com/CompeyDev/blog.devcomp.xyz/commit/${COMMIT_HASH}`
+  : null;
 ---
 
 <div class="card-base max-w-[var(--page-width)] min-h-[4.5rem] rounded-b-none mx-auto flex items-center px-6">
     <div class="transition text-50 text-sm">
         © 2024 {profileConfig.name}. All Rights Reserved.
         <br>
-        Powered by <a class="link text-[var(--primary)] font-medium" target="_blank" href="https://github.com/saicaca/fuwari">Fuwari</a>
+        Powered by <a class="link text-[var(--primary)] font-medium" target="_blank" href="https://github.com/saicaca/fuwari">Fuwari</a> - <a class="link text-[var(--primary)] font-medium" target="_blank" href={COMMIT_HASH_URL}>{COMMIT_HASH ?? "dev"}</a>
     </div>
 </div>
diff --git a/src/env.d.ts b/src/env.d.ts
index 9c03f0a..0909ebe 100644
--- a/src/env.d.ts
+++ b/src/env.d.ts
@@ -1,2 +1,10 @@
 /// <reference types="astro/client" />
 /// <reference path="../.astro/types.d.ts" />
+
+interface ImportMetaEnv {
+  readonly COMMIT_HASH?: string;
+}
+
+interface ImportMeta {
+  readonly env: ImportMetaEnv;
+}