diff --git a/mailcow/src/mailcow-dockerized/data/web/inc/lib/vendor/ddeboer/imap/src/Exception/AbstractException.php b/mailcow/src/mailcow-dockerized/data/web/inc/lib/vendor/ddeboer/imap/src/Exception/AbstractException.php
index 26c1e58..6537a05 100644
--- a/mailcow/src/mailcow-dockerized/data/web/inc/lib/vendor/ddeboer/imap/src/Exception/AbstractException.php
+++ b/mailcow/src/mailcow-dockerized/data/web/inc/lib/vendor/ddeboer/imap/src/Exception/AbstractException.php
@@ -6,10 +6,7 @@
 
 abstract class AbstractException extends \RuntimeException
 {
-    /**
-     * @var array
-     */
-    private static $errorLabels = [
+    private const ERROR_LABELS = [
         \E_ERROR                => 'E_ERROR',
         \E_WARNING              => 'E_WARNING',
         \E_PARSE                => 'E_PARSE',
@@ -27,16 +24,11 @@
         \E_USER_DEPRECATED      => 'E_USER_DEPRECATED',
     ];
 
-    /**
-     * @param string     $message  The exception message
-     * @param int        $code     The exception code
-     * @param \Throwable $previous The previous exception
-     */
     final public function __construct(string $message, int $code = 0, \Throwable $previous = null)
     {
         $errorType = '';
-        if (isset(self::$errorLabels[$code])) {
-            $errorType = \sprintf('[%s] ', self::$errorLabels[$code]);
+        if (isset(self::ERROR_LABELS[$code])) {
+            $errorType = \sprintf('[%s] ', self::ERROR_LABELS[$code]);
         }
 
         $joinString      = "\n- ";