diff --git a/.php-cs-fixer.php b/.php-cs-fixer.php
index e914a6a..252620d 100644
--- a/.php-cs-fixer.php
+++ b/.php-cs-fixer.php
@@ -11,7 +11,8 @@
         '@Symfony' => true,
         '@Symfony:risky' => true,
         'protected_to_private' => false,
-        'nullable_type_declaration_for_default_null_value' => ['use_nullable_type_declaration' => false],
+        'nullable_type_declaration_for_default_null_value' => false,
+        'get_class_to_class_keyword' => false,
     ])
     ->setRiskyAllowed(true)
     ->setFinder(
diff --git a/README.md b/README.md
index e1d718e..9e8169b 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-Getting Started With BreadcrumbTrailBundle
+Getting Started With BreadcrumbTrailBundle 
 ==========================================
 
 This bundle provides a breadcrumb trail service also known as breadcrumbs or Fil d'Ariane.
diff --git a/composer.json b/composer.json
index dba1e1e..099eb1d 100644
--- a/composer.json
+++ b/composer.json
@@ -22,12 +22,12 @@
         "psr-4": { "APY\\BreadcrumbTrailBundle\\": "src/" }
     },
     "require-dev": {
-        "symfony/phpunit-bridge": "^5.0|^6.0",
+        "symfony/phpunit-bridge": "^5.0|^6.0|^7.0",
         "nyholm/symfony-bundle-test": "^v2.0|^v3.0",
         "matthiasnoback/symfony-dependency-injection-test": "^4.0",
         "doctrine/doctrine-bundle": "^v1.0|^v2.0",
-        "doctrine/annotations": "^2.0",
-        "symfony/twig-bundle": "^3.4|^4.0|^5.0|^6.0"
+        "doctrine/annotations": "^1.8|^2.0",
+        "symfony/twig-bundle": "^4.0|^5.0|^6.0|^7.0"
     },
     "autoload-dev": {
         "psr-4": { "APY\\BreadcrumbTrailBundle\\": "tests/" }
diff --git a/src/Annotation/Breadcrumb.php b/src/Annotation/Breadcrumb.php
index a6334f3..1d9984f 100644
--- a/src/Annotation/Breadcrumb.php
+++ b/src/Annotation/Breadcrumb.php
@@ -20,12 +20,12 @@ class Breadcrumb
     /**
      * @var string Title of the breadcrumb
      */
-    private $title = null;
+    private $title;
 
     /**
      * @var string The name of the route
      */
-    private $routeName = null;
+    private $routeName;
 
     /**
      * @var mixed An array of parameters for the route
@@ -45,7 +45,7 @@ class Breadcrumb
     /**
      * @var string Template of the breadcrumb trail
      */
-    private $template = null;
+    private $template;
 
     /**
      * @var array with additional attributes for the breadcrumb
@@ -61,15 +61,8 @@ class Breadcrumb
      * @param ?string              $template
      * @param array                $attributes
      */
-    public function __construct(
-        $title = null,
-        $routeName = null,
-        $routeParameters = null,
-        $routeAbsolute = null,
-        $position = null,
-        $template = null,
-        $attributes = null
-    ) {
+    public function __construct($title = null, $routeName = null, $routeParameters = null, $routeAbsolute = null, $position = null, $template = null, $attributes = null)
+    {
         $data = [];
 
         if (\is_string($title)) {
@@ -101,7 +94,7 @@ public function __construct(
                 foreach ($data['route'] as $key => $value) {
                     $method = 'setRoute'.$key;
                     if (!method_exists($this, $method)) {
-                        throw new \BadMethodCallException(sprintf("Unknown property '%s' for the 'route' parameter on annotation '%s'.", $key, static::class));
+                        throw new \BadMethodCallException(\sprintf("Unknown property '%s' for the 'route' parameter on annotation '%s'.", $key, static::class));
                     }
                     $this->$method($value);
                 }
@@ -120,7 +113,7 @@ public function __construct(
 
             $method = 'set'.$key;
             if (!method_exists($this, $method)) {
-                throw new \BadMethodCallException(sprintf("Unknown property '%s' on annotation '%s'.", $key, static::class));
+                throw new \BadMethodCallException(\sprintf("Unknown property '%s' on annotation '%s'.", $key, static::class));
             }
             $this->$method($value);
         }
diff --git a/src/BreadcrumbTrail/Trail.php b/src/BreadcrumbTrail/Trail.php
index 9a28223..49fa47f 100644
--- a/src/BreadcrumbTrail/Trail.php
+++ b/src/BreadcrumbTrail/Trail.php
@@ -70,7 +70,7 @@ public function getTemplate()
      *
      * @return self
      *
-     *@throws \InvalidArgumentException
+     * @throws \InvalidArgumentException
      * @throws \RuntimeException
      */
     public function add($breadcrumbOrTitle, $routeName = null, $routeParameters = [], $routeAbsolute = true, $position = 0, $attributes = [])
@@ -185,17 +185,11 @@ public function reset()
         return $this;
     }
 
-    /**
-     * {@inheritDoc}
-     */
     public function count(): int
     {
         return $this->breadcrumbs->count();
     }
 
-    /**
-     * {@inheritDoc}
-     */
     public function getIterator(): \Traversable
     {
         $this->breadcrumbs->rewind();
@@ -246,7 +240,7 @@ private function retrieveChildObject($object, $function, $varName, array $functi
             return \call_user_func([$object, $fullFunctionName]);
         }
 
-        throw new \RuntimeException(sprintf('"%s" is not callable.', implode('.', array_merge([$varName], $functions))));
+        throw new \RuntimeException(\sprintf('"%s" is not callable.', implode('.', array_merge([$varName], $functions))));
     }
 
     /**
@@ -263,6 +257,6 @@ private function retrieveObjectValue($object, $function, $parameters, $varName,
             return \call_user_func_array([$object, $fullFunctionName], $parameters);
         }
 
-        throw new \RuntimeException(sprintf('"%s" is not callable.', implode('.', array_merge([$varName], $functions))));
+        throw new \RuntimeException(\sprintf('"%s" is not callable.', implode('.', array_merge([$varName], $functions))));
     }
 }
diff --git a/src/DependencyInjection/APYBreadcrumbTrailExtension.php b/src/DependencyInjection/APYBreadcrumbTrailExtension.php
index ff0acf4..04a0c18 100644
--- a/src/DependencyInjection/APYBreadcrumbTrailExtension.php
+++ b/src/DependencyInjection/APYBreadcrumbTrailExtension.php
@@ -19,9 +19,6 @@
 
 class APYBreadcrumbTrailExtension extends Extension
 {
-    /**
-     * {@inheritDoc}
-     */
     public function load(array $configs, ContainerBuilder $container)
     {
         $configuration = new Configuration();
diff --git a/src/EventListener/BreadcrumbListener.php b/src/EventListener/BreadcrumbListener.php
index 6aca47e..b57c6a7 100644
--- a/src/EventListener/BreadcrumbListener.php
+++ b/src/EventListener/BreadcrumbListener.php
@@ -67,10 +67,12 @@ public function onKernelController(KernelEvent $event)
         }
 
         if ($class->isAbstract()) {
-            throw new \InvalidArgumentException(sprintf('Annotations from class "%s" cannot be read as it is abstract.', $class));
+            throw new \InvalidArgumentException(\sprintf('Annotations from class "%s" cannot be read as it is abstract.', $class));
         }
 
-        if (HttpKernelInterface::MAIN_REQUEST == $event->getRequestType()) {
+        $kernelRequest = \defined(HttpKernelInterface::class.'::MASTER_REQUEST') ? HttpKernelInterface::MASTER_REQUEST : HttpKernelInterface::MAIN_REQUEST;
+
+        if ($kernelRequest == $event->getRequestType()) {
             $this->breadcrumbTrail->reset();
 
             // Annotations from class
diff --git a/tests/Twig/BreadcrumbTrailExtensionTest.php b/tests/Twig/BreadcrumbTrailExtensionTest.php
index 3994ddd..1c719d2 100644
--- a/tests/Twig/BreadcrumbTrailExtensionTest.php
+++ b/tests/Twig/BreadcrumbTrailExtensionTest.php
@@ -34,7 +34,12 @@ protected static function createKernel(array $options = []): KernelInterface
      */
     public function testTwigFunctionGetsRegistered()
     {
-        $container = self::getContainer();
+        if (method_exists($this, 'getContainer')) {
+            $container = self::getContainer();
+        } else {
+            self::bootKernel();
+            $container = self::$container;
+        }
 
         /** @var BreadcrumbTrailExtension $extension */
         $extension = $container->get(BreadcrumbTrailExtension::class);