diff --git a/locales/en.json b/locales/en.json
index 328e822..2605fc5 100644
--- a/locales/en.json
+++ b/locales/en.json
@@ -49,5 +49,7 @@
   "shift_back": "◄ 1h",
   "shift_fwd": "1h ►",
   "fav_add": "Add to favorites",
-  "fav_remove": "Remove from favorites"
+  "fav_remove": "Remove from favorites",
+  "update_available": "↑ Update available:",
+  "update_title": "Click to download the latest version"
 }
\ No newline at end of file
diff --git a/locales/es.json b/locales/es.json
index 5b71a3e..e4331cb 100644
--- a/locales/es.json
+++ b/locales/es.json
@@ -49,5 +49,7 @@
   "shift_back": "◄ 1h",
   "shift_fwd": "1h ►",
   "fav_add": "Agregar a favoritos",
-  "fav_remove": "Quitar de favoritos"
+  "fav_remove": "Quitar de favoritos",
+  "update_available": "↑ Actualizacion disponible:",
+  "update_title": "Haz clic para descargar la ultima version"
 }
\ No newline at end of file
diff --git a/locales/fr.json b/locales/fr.json
index 2ba1338..46cb8fe 100644
--- a/locales/fr.json
+++ b/locales/fr.json
@@ -49,5 +49,7 @@
   "shift_back": "◄ 1h",
   "shift_fwd": "1h ►",
   "fav_add": "Ajouter aux favoris",
-  "fav_remove": "Retirer des favoris"
+  "fav_remove": "Retirer des favoris",
+  "update_available": "↑ Mise a jour disponible :",
+  "update_title": "Cliquez pour telecharger la derniere version"
 }
\ No newline at end of file
diff --git a/src/js/updater.js b/src/js/updater.js
new file mode 100644
index 0000000..2206047
--- /dev/null
+++ b/src/js/updater.js
@@ -0,0 +1,38 @@
+// ── UPDATE CHECKER ────────────────────────────────────────────────────────────
+(async function checkForUpdate() {
+  try {
+    const [localRes, remoteRes] = await Promise.all([
+      fetch('version.json'),
+      fetch('https://api.github.com/repos/Johnnybegood90/GridTV/releases/latest')
+    ]);
+    if (!localRes.ok || !remoteRes.ok) return;
+
+    const local  = (await localRes.json()).version  ?? '0.0.0';
+    const remote = (await remoteRes.json()).tag_name ?? '0.0.0';
+
+    const clean = v => v.replace(/^v/, '');
+    const toNum = v => v.split('.').map(Number);
+
+    const [lMaj, lMin, lPat] = toNum(clean(local));
+    const [rMaj, rMin, rPat] = toNum(clean(remote));
+
+    const hasUpdate =
+      rMaj > lMaj ||
+      (rMaj === lMaj && rMin > lMin) ||
+      (rMaj === lMaj && rMin === lMin && rPat > lPat);
+
+    if (!hasUpdate) return;
+
+    const badge = document.createElement('a');
+    badge.className  = 'update-badge';
+    badge.href       = `https://github.com/Johnnybegood90/GridTV/releases/latest`;
+    badge.target     = '_blank';
+    badge.rel        = 'noopener';
+    badge.innerHTML = `${L.update_available} ${clean(remote)}`;
+    badge.title      = L.update_title;
+
+    document.querySelector('.topbar')?.appendChild(badge);
+  } catch (_) {
+    // Silencieux — pas de connexion ou rate limit GitHub
+  }
+})();
diff --git a/src/tpl/footer.php b/src/tpl/footer.php
index e0c520d..3962be4 100644
--- a/src/tpl/footer.php
+++ b/src/tpl/footer.php
@@ -3,7 +3,7 @@
 <?php
 $js_dir = __DIR__ . '/../js/';
 include $js_dir . 'config.js';
-$js_modules = ['utils', 'favorites', 'epg', 'mobile', 'tooltip', 'sources', 'm3u', 'player', 'themes', 'search', 'program', 'live'];
+$js_modules = ['utils', 'favorites', 'epg', 'mobile', 'tooltip', 'sources', 'm3u', 'player', 'themes', 'search', 'program', 'updater', 'live'];
 foreach ($js_modules as $mod) {
     echo file_get_contents($js_dir . $mod . '.js');
 }
diff --git a/src/tpl/head.php b/src/tpl/head.php
index ce75be4..58602ab 100644
--- a/src/tpl/head.php
+++ b/src/tpl/head.php
@@ -869,6 +869,21 @@
     opacity: .3; margin: 0;
   }
 
+
+  /* ── UPDATE BADGE ────────────────────────────────────────────────────────── */
+  .update-badge {
+    background: var(--accent); color: #000;
+    font-size: 11px; font-weight: 700; letter-spacing: 0.06em;
+    padding: 4px 10px; text-decoration: none; white-space: nowrap;
+    animation: pulse-badge 2s ease-in-out infinite;
+    border-radius: 2px; margin-left: 4px;
+  }
+  .update-badge:hover { opacity: .85; }
+  @keyframes pulse-badge {
+    0%, 100% { opacity: 1; }
+    50%       { opacity: .65; }
+  }
+
 </style>
 <link id="themeStylesheet" rel="stylesheet" href="themes/default.css">
 </head>
diff --git a/version.json b/version.json
new file mode 100644
index 0000000..d19a958
--- /dev/null
+++ b/version.json
@@ -0,0 +1,3 @@
+{
+  "version": "1.4.0"
+}