diff --git a/app/Node/UseCases/BulkCreateNodesRequest.php b/app/Node/UseCases/BulkCreateNodesRequest.php
index 45b94be..1682faf 100644
--- a/app/Node/UseCases/BulkCreateNodesRequest.php
+++ b/app/Node/UseCases/BulkCreateNodesRequest.php
@@ -5,9 +5,9 @@ namespace App\Node\UseCases;
 class BulkCreateNodesRequest
 {
     public function __construct(
-        public int $textId,
-        public int $parentNodeId,
-        public string $titlePrefix,
-        public int $count,
+        public ?int $textId,
+        public ?int $parentNodeId,
+        public ?string $titlePrefix,
+        public ?int $count,
     ) {}
 }