diff --git a/app/Http/Controllers/Api/V1/Admin/ApiAdminVoucherSetsController.php b/app/Http/Controllers/Api/V1/Admin/ApiAdminVoucherSetsController.php
index b23caef5..d84dd78c 100644
--- a/app/Http/Controllers/Api/V1/Admin/ApiAdminVoucherSetsController.php
+++ b/app/Http/Controllers/Api/V1/Admin/ApiAdminVoucherSetsController.php
@@ -219,7 +219,7 @@ public function store(): JsonResponse
                 Rule::exists('teams', 'id'),
             ],
             'voucher_template_id' => [
-                'sometimes',
+                'required',
                 'integer',
                 Rule::exists('voucher_templates', 'id'),
             ],