diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index daebf21..e1c4535 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -8,7 +8,7 @@ jobs:
 
     strategy:
       matrix:
-        php-version: ['8.1', '8.2', '8.3']
+        php-version: ['8.1', '8.2', '8.3', '8.4']
 
     steps:
     - name: Checkout
@@ -24,6 +24,8 @@ jobs:
       run: composer install
 
     - name: Run php-cs-fixer
+      env:
+        PHP_CS_FIXER_IGNORE_ENV: true
       run: vendor/bin/php-cs-fixer fix --verbose --diff --dry-run
 
     - name: Run phpstan
diff --git a/composer.json b/composer.json
index f9f9314..3df58be 100644
--- a/composer.json
+++ b/composer.json
@@ -7,7 +7,7 @@
     "require": {
         "cakephp/cakephp": "^5.0.1",
         "php": "^8.1",
-        "kcs/class-finder": "^0.3"
+        "kcs/class-finder": "^0.6"
     },
     "require-dev": {
         "friendsofphp/php-cs-fixer": "^3.0",
diff --git a/src/Command/RoutesCommand.php b/src/Command/RoutesCommand.php
index 4f2ed2b..f6a9590 100644
--- a/src/Command/RoutesCommand.php
+++ b/src/Command/RoutesCommand.php
@@ -21,7 +21,8 @@ class RoutesCommand extends Command
     public function execute(Arguments $args, ConsoleIo $io): void
     {
         $finder = (new ComposerFinder())
-            ->inNamespace(\array_map(fn ($ns) => \trim($ns, '\\'), $args->getMultipleOption('namespace') ?? $this->defaultNamespaces()))
+            ->useAutoloading(false)
+            ->inNamespace(\array_map(fn ($ns) => \trim($ns, '\\'), $args->getArrayOption('namespace') ?? $this->defaultNamespaces()))
             ->path('Controller');
 
         $routes = [];