diff --git a/Command/GraphQLConfigureCommand.php b/Command/GraphQLConfigureCommand.php
index ee6c492..625e858 100644
--- a/Command/GraphQLConfigureCommand.php
+++ b/Command/GraphQLConfigureCommand.php
@@ -5,14 +5,24 @@
 use Symfony\Bundle\FrameworkBundle\Command\ContainerAwareCommand;
 use Symfony\Component\Config\Resource\DirectoryResource;
 use Symfony\Component\Config\Resource\FileResource;
+use Symfony\Component\Console\Command\Command;
 use Symfony\Component\Console\Input\InputInterface;
 use Symfony\Component\Console\Output\OutputInterface;
 use Symfony\Component\Console\Question\ConfirmationQuestion;
+use Symfony\Component\Routing\Router;
 
-class GraphQLConfigureCommand extends ContainerAwareCommand
+class GraphQLConfigureCommand extends Command
 {
     const PROJECT_NAMESPACE = 'App';
 
+    private $router;
+
+    public function __construct(Router $router)
+    {
+        parent::__construct();
+        $this->router = $router;
+    }
+
     /**
      * {@inheritdoc}
      */
@@ -32,7 +42,7 @@ protected function execute(InputInterface $input, OutputInterface $output)
         $isComposerCall = $input->getOption('composer');
 
         $container  = $this->getContainer();
-        $rootDir    = $container->getParameter('kernel.root_dir');
+        $rootDir    = $container->getParameter('kernel.project_dir');
         $configFile = $rootDir . DIRECTORY_SEPARATOR . '..' . DIRECTORY_SEPARATOR . 'config/packages/graphql.yml';
 
         $className       = 'Schema';
@@ -105,7 +115,7 @@ protected function execute(InputInterface $input, OutputInterface $output)
      */
     protected function getMainRouteConfig()
     {
-        $routerResources = $this->getContainer()->get('router')->getRouteCollection()->getResources();
+        $routerResources = $this->router->getRouteCollection()->getResources();
         foreach ($routerResources as $resource) {
             /** @var FileResource|DirectoryResource $resource */
             if (method_exists($resource, 'getResource') && substr($resource->getResource(), -11) == 'routes.yaml') {
@@ -122,7 +132,7 @@ protected function getMainRouteConfig()
      */
     protected function graphQLRouteExists()
     {
-        $routerResources = $this->getContainer()->get('router')->getRouteCollection()->getResources();
+        $routerResources = $this->router->getRouteCollection()->getResources();
         foreach ($routerResources as $resource) {
             /** @var FileResource|DirectoryResource $resource */
             if (method_exists($resource, 'getResource') && strpos($resource->getResource(), 'GraphQLController.php') !== false) {
diff --git a/DependencyInjection/Configuration.php b/DependencyInjection/Configuration.php
index f8876d6..57c6917 100644
--- a/DependencyInjection/Configuration.php
+++ b/DependencyInjection/Configuration.php
@@ -18,8 +18,8 @@ class Configuration implements ConfigurationInterface
      */
     public function getConfigTreeBuilder()
     {
-        $treeBuilder = new TreeBuilder();
-        $rootNode    = $treeBuilder->root('graphql');
+        $treeBuilder = new TreeBuilder('graphql');
+        $rootNode    = $treeBuilder->getRootNode();
 
         $rootNode
             ->children()
diff --git a/Resources/config/route.xml b/Resources/config/route.xml
index d478b84..6e46d79 100644
--- a/Resources/config/route.xml
+++ b/Resources/config/route.xml
@@ -5,7 +5,7 @@
         http://symfony.com/schema/routing/routing-1.0.xsd">
 
     <route id="youshido_graphql_graphql_default" path="/graphql">
-        <default key="_controller">GraphQLBundle:GraphQL:default</default>
+        <default key="_controller">Youshido\GraphQLBundle\Controller\GraphQLController::defaultAction</default>
     </route>
 
     <route id="youshido_graphql_graphqlexplorer_explorer" path="/graphql/explorer">
diff --git a/composer.json b/composer.json
index acf3f24..dad1a1f 100644
--- a/composer.json
+++ b/composer.json
@@ -24,6 +24,6 @@
   "require-dev": {
     "phpunit/phpunit": "~4.7",
     "composer/composer": "~1.2",
-    "symfony/framework-bundle": "~2.7|~3.0"
+    "symfony/framework-bundle": "~2.7|~3.0|~4.0|~5.0"
   }
 }