diff --git a/admin/index.php b/admin/index.php
index 3eb589e..b778b03 100644
--- a/admin/index.php
+++ b/admin/index.php
@@ -21,6 +21,21 @@ $stories = Stories::getAll();
         <link rel="icon" type="image/png" href="../assets/images/site/favicon.png">
     <?php endif; ?>
     <link rel="stylesheet" href="../assets/css/main.css">
+    <style>
+        .version-banner {
+            position: fixed;
+            bottom: 0;
+            left: 0;
+            right: 0;
+            padding: 8px;
+            background-color: var(--bg-tertiary);
+            color: var(--text-secondary);
+            text-align: center;
+            font-size: 0.8rem;
+            border-top: 1px solid var(--border-color);
+            z-index: 100;
+        }
+    </style>
 </head>
 <body>
     <nav class="admin-nav">
@@ -70,5 +85,14 @@ $stories = Stories::getAll();
     <script src="../assets/js/admin.js"></script>
     <link rel="stylesheet" href="../assets/css/dialog.css">
     <script src="../assets/js/dialog.js"></script>
+
+    <?php
+    $version = file_exists(__DIR__ . '/../version.txt') 
+        ? trim(file_get_contents(__DIR__ . '/../version.txt'))
+        : 'version inconnue';
+    ?>
+    <div class="version-banner">
+        Lectures d'Esenjin - v.<?= htmlspecialchars($version) ?>
+    </div>
 </body>
 </html>
\ No newline at end of file
diff --git a/version.txt b/version.txt
new file mode 100644
index 0000000..afaf360
--- /dev/null
+++ b/version.txt
@@ -0,0 +1 @@
+1.0.0
\ No newline at end of file
