diff --git a/wp-ingame-shop/wp-ingame-shop.php b/wp-ingame-shop/wp-ingame-shop.php
index af52521..915f41a 100644
--- a/wp-ingame-shop/wp-ingame-shop.php
+++ b/wp-ingame-shop/wp-ingame-shop.php
@@ -2,11 +2,118 @@
 /*
 Plugin Name: WP Ingame Shop Pro - NO RCON & CUSTOM CURRENCY
 Description: Vollautomatischer Shop mit Warenkorb.
-Version: 1.0.1
+Version: 1.0.2
 Author: M_Viper
 */
 if (!defined('ABSPATH')) exit;
 
+// ===============================
+// WIS PRO - UPDATE NOTICE SYSTEM
+// ===============================
+
+// Plugin-Version aus Header lesen
+function wis_get_plugin_version() {
+    if ( ! function_exists( 'get_plugin_data' ) ) {
+        require_once ABSPATH . 'wp-admin/includes/plugin.php';
+    }
+
+    $plugin_data = get_plugin_data( __FILE__ );
+    return $plugin_data['Version'] ?? '0.0.0';
+}
+
+// Cache manuell leeren
+function wis_clear_update_cache() {
+    if ( isset($_GET['wis_clear_cache']) && current_user_can('manage_options') ) {
+        check_admin_referer('wis_clear_cache_action');
+        delete_transient('wis_latest_release');
+        wp_redirect( admin_url('plugins.php') );
+        exit;
+    }
+}
+add_action('admin_init', 'wis_clear_update_cache');
+
+// Neueste Release-Infos von Gitea holen
+function wis_get_latest_release_info( $force_refresh = false ) {
+    $transient_key = 'wis_latest_release';
+
+    if ( $force_refresh ) {
+        delete_transient( $transient_key );
+    }
+
+    $release_info = get_transient( $transient_key );
+
+    if ( false === $release_info ) {
+        $response = wp_remote_get(
+            'https://git.viper.ipv64.net/api/v1/repos/M_Viper/WP-Ingame-Shop-Pro/releases/latest',
+            ['timeout' => 10]
+        );
+
+        if ( ! is_wp_error($response) && 200 === wp_remote_retrieve_response_code($response) ) {
+            $body = wp_remote_retrieve_body($response);
+            $data = json_decode($body, true);
+
+            if ( $data && isset($data['tag_name']) ) {
+                $tag = ltrim( $data['tag_name'], 'vV' );
+
+                $release_info = [
+                    'version'      => $tag,
+                    'download_url' => $data['zipball_url'] ?? '',
+                    'notes'        => $data['body'] ?? '',
+                    'published_at' => $data['published_at'] ?? '',
+                ];
+
+                set_transient( $transient_key, $release_info, 6 * HOUR_IN_SECONDS );
+            } else {
+                set_transient( $transient_key, [], HOUR_IN_SECONDS );
+            }
+        } else {
+            set_transient( $transient_key, [], HOUR_IN_SECONDS );
+        }
+    }
+
+    return $release_info;
+}
+
+// Admin-Update-Hinweis anzeigen
+function wis_show_update_notice() {
+    if ( ! current_user_can('manage_options') ) {
+        return;
+    }
+
+    $current_version = wis_get_plugin_version();
+    $latest_release  = wis_get_latest_release_info();
+
+    if ( ! empty($latest_release['version']) && version_compare($current_version, $latest_release['version'], '<') ) {
+
+        $refresh_url = wp_nonce_url(
+            admin_url('plugins.php?wis_clear_cache=1'),
+            'wis_clear_cache_action'
+        );
+        ?>
+        <div class="notice notice-warning is-dismissible">
+            <h3>WP Ingame Shop Pro – Update verfügbar</h3>
+            <p>
+                Installiert: <strong><?php echo esc_html($current_version); ?></strong><br>
+                Neueste Version: <strong><?php echo esc_html($latest_release['version']); ?></strong>
+            </p>
+            <p>
+                <a href="<?php echo esc_url($latest_release['download_url']); ?>" class="button button-primary" target="_blank">
+                    Update herunterladen
+                </a>
+                <a href="https://git.viper.ipv64.net/M_Viper/WP-Ingame-Shop-Pro/releases" class="button" target="_blank">
+                    Release Notes
+                </a>
+                <a href="<?php echo esc_url($refresh_url); ?>" class="button">
+                    Jetzt neu prüfen
+                </a>
+            </p>
+        </div>
+        <?php
+    }
+}
+add_action('admin_notices', 'wis_show_update_notice');
+
+
 // ===========================================================
 // 1. ACTIVATOR & TABLES
 // ===========================================================