diff --git a/includes/footer.php b/includes/footer.php
index 1e9b398..504fcfa 100644
--- a/includes/footer.php
+++ b/includes/footer.php
@@ -10,7 +10,7 @@
             <div class="footer-grid">
                 <div class="footer-brand">
                     <a href="/" class="logo">
-                        <img src="/assets/images/logo.png" alt="<?= SITE_NAME ?>" style="height: 65px;">
+                        <img src="/assets/images/logo.png?v=<?= filemtime($_SERVER['DOCUMENT_ROOT'] . '/assets/images/logo.png') ?>" alt="<?= SITE_NAME ?>" style="height: 65px;">
                     </a>
                     <p>Premium artisan coffee beans freshly roasted and delivered to your door. Experience the perfect cup, every time.</p>
                 </div>
diff --git a/includes/header.php b/includes/header.php
index c9a33e3..28ad50b 100644
--- a/includes/header.php
+++ b/includes/header.php
@@ -94,7 +94,7 @@ $customerUser = $isLoggedIn ? CustomerAuth::getUser() : null;
     <header class="header">
         <nav class="nav container">
             <a href="/" class="logo">
-                <img src="/assets/images/logo.png" alt="<?= SITE_NAME ?>" class="logo-img">
+                <img src="/assets/images/logo.png?v=<?= filemtime($_SERVER['DOCUMENT_ROOT'] . '/assets/images/logo.png') ?>" alt="<?= SITE_NAME ?>" class="logo-img">
             </a>
             
             <ul class="nav-links">