diff --git a/src/index.html b/src/index.html
index b4e5933a..d99d6838 100644
--- a/src/index.html
+++ b/src/index.html
@@ -134,6 +134,11 @@ <h1 class="min-w-0 text-xl font-bold tracking-tight text-slate-900 dark:text-whi
         </div>
       </div>
     </main>
+
+    <footer class="px-4 sm:px-8 h-4 sm:h-8 flex items-center justify-center text-center text-xs leading-none text-slate-500 dark:text-slate-400">
+      <a href="https://github.com/daggerok/SPDR" target="_blank" rel="noopener noreferrer" class="transition-colors hover:text-slate-800 dark:hover:text-slate-100">daggerok &copy; <span id="footer-year">2026</span></a>
+    </footer>
+    <script>document.getElementById('footer-year').textContent = String(new Date().getFullYear());</script>
   </div>
 
   <script src="./main.tsx" type="module"></script>