diff --git a/WizardWidgetAsset.php b/WizardWidgetAsset.php
index ffc110f..44c67ba 100644
--- a/WizardWidgetAsset.php
+++ b/WizardWidgetAsset.php
@@ -17,6 +17,7 @@
 class WizardWidgetAsset extends AssetBundle
 {
 	public $sourcePath = '@drsdre/wizardwidget';
+	public $depends = [ 'yii\web\YiiAsset' ];
 	public $css = [
 		'css/wizardwidget.css',
 	];