diff --git a/app/Http/Controllers/RegularContractCreateController.php b/app/Http/Controllers/RegularContractCreateController.php
index 5ee9b13..63395a3 100644
--- a/app/Http/Controllers/RegularContractCreateController.php
+++ b/app/Http/Controllers/RegularContractCreateController.php
@@ -12,6 +12,7 @@ use Illuminate\Support\Facades\Redirect;
 use Illuminate\Support\Facades\Artisan;
 use Exception;
 use function redirect;
+use Carbon\Carbon;
 
 class RegularContractCreateController extends Controller
 {