diff --git a/.travis.yml b/.travis.yml
index d11d56d..7a9d184 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -8,6 +8,10 @@ php:
     - 7.3
     - 7.4
     - 8.0
+    - 8.1
+    - 8.2
+    - 8.3
+    - 8.4
 
 install:
     - travis_retry composer install --no-interaction --no-progress
diff --git a/composer.json b/composer.json
index 2c9c247..731e0e9 100644
--- a/composer.json
+++ b/composer.json
@@ -20,7 +20,8 @@
 		"php": ">=8.1",
 		"nette/application": "^2.4 || ^3.0.0",
 		"nette/forms": "^3.2.0",
-		"nette/utils": "^2.4 || ^3.0.0 || ^4.0.0"
+		"nette/utils": "^2.4 || ^3.0.0 || ^4.0.0",
+		"nette/component-model": "^v3.2.0"
 	},
 	"require-dev": {
 		"nette/di": "^2.4.6 || ^3.0.0",
diff --git a/src/DependentTrait.php b/src/DependentTrait.php
index 49e4e24..d0f1902 100644
--- a/src/DependentTrait.php
+++ b/src/DependentTrait.php
@@ -65,7 +65,7 @@ public function getControl() : Nette\Utils\Html
 
 		$attrs['data-dependentselectbox-parents'] = Nette\Utils\Json::encode($parents);
 		$attrs['data-dependentselectbox-params'] = Nette\Utils\Json::encode($params);
-		$attrs['data-dependentselectbox'] = $form->getPresenter()->link($this->lookupPath('Nette\\Application\\UI\\Presenter') . Nette\ComponentModel\IComponent::NAME_SEPARATOR . self::SIGNAL_NAME . '!');
+		$attrs['data-dependentselectbox'] = $form->getPresenter()->link($this->lookupPath('Nette\\Application\\UI\\Presenter') . Nette\ComponentModel\IComponent::NameSeparator . self::SIGNAL_NAME . '!');
 
 		$control->addAttributes($attrs);
 		return $control;