diff --git a/index.php b/index.php
index 6532c19..8efe0e2 100644
--- a/index.php
+++ b/index.php
@@ -8,7 +8,7 @@ namespace OpcacheGui;
* A simple but effective single-file GUI for the OPcache PHP extension.
*
* @author Andrew Collington, andy@amnuts.com
- * @version 2.5.0
+ * @version 2.5.1
* @link https://github.com/amnuts/opcache-gui
* @license MIT, http://acollington.mit-license.org/
*/
@@ -54,6 +54,8 @@ header('Pragma: no-cache');
class OpCacheService
{
+ const VERSION = '2.5.1';
+
protected $data;
protected $options;
protected $defaults = [
@@ -416,7 +418,7 @@ $opcache = OpCacheService::init($options);