diff --git a/vendor/iron/generators/crud/default/views/_form.php b/vendor/iron/generators/crud/default/views/_form.php
index b370036..907426b 100644
--- a/vendor/iron/generators/crud/default/views/_form.php
+++ b/vendor/iron/generators/crud/default/views/_form.php
@@ -17,7 +17,7 @@ echo "<?php\n";
 ?>
 
 use yii\helpers\Html;
-use yii\widgets\ActiveForm;
+use yii\bootstrap4\ActiveForm;
 
 /* @var $this yii\web\View */
 /* @var $model <?= ltrim($generator->modelClass, '\\') ?> */