diff --git a/snappymail/v/0.0.0/app/libraries/MailSo/Imap/Commands/Folders.php b/snappymail/v/0.0.0/app/libraries/MailSo/Imap/Commands/Folders.php
index a219715a5..c26547f15 100644
--- a/snappymail/v/0.0.0/app/libraries/MailSo/Imap/Commands/Folders.php
+++ b/snappymail/v/0.0.0/app/libraries/MailSo/Imap/Commands/Folders.php
@@ -14,6 +14,7 @@ namespace MailSo\Imap\Commands;
 
 use MailSo\Imap\Folder;
 use MailSo\Imap\FolderInformation;
+use MailSo\Imap\SequenceSet;
 use MailSo\Imap\Enumerations\FolderStatus;
 
 /**