diff --git a/app/Services/ApprovalService.php b/app/Services/ApprovalService.php
index 419debba..456ea192 100644
--- a/app/Services/ApprovalService.php
+++ b/app/Services/ApprovalService.php
@@ -1536,7 +1536,7 @@ private function generateDocumentNumber(int $tenantId): string
         $prefix = 'AP';
         $date = now()->format('Ymd');
 
-        $lastNumber = Approval::query()
+        $lastNumber = Approval::withTrashed()
             ->where('tenant_id', $tenantId)
             ->where('document_number', 'like', "{$prefix}-{$date}-%")
             ->orderByDesc('document_number')