diff --git a/src/pages/about.astro b/src/pages/about.astro
index dc598d1..696f675 100644
--- a/src/pages/about.astro
+++ b/src/pages/about.astro
@@ -54,9 +54,15 @@ import Footer from '../components/layout/Footer.astro';
       <section class="mb-12">
         <h2 class="text-3xl font-semibold mb-4">What I'm Doing Now</h2>
         <p class="text-text-secondary leading-relaxed mb-4">
-          I work full-time at KEO as Field Application Engineer, where I handle technical 
+          I work full-time at KEO as Field Application Engineer, where I handle technical
           documentation, workflow automation, internal tools, and customer-facing support.
         </p>
+        <p class="text-text-secondary leading-relaxed mb-4">
+          <em class="text-text-tertiary text-sm">
+            Last site update: 2026-07-09 (build sha visible in the CI run that produced this
+            version of the page).
+          </em>
+        </p>
         <p class="text-text-secondary leading-relaxed mb-4">
           In parallel, I'm building <strong class="text-primary">WarrantyHub</strong> — a platform 
           for end users to manage warranties for their home products from one place.