diff --git a/.php-cs-fixer.dist.php b/.php-cs-fixer.dist.php
index f99a8c0..dd5ea6d 100644
--- a/.php-cs-fixer.dist.php
+++ b/.php-cs-fixer.dist.php
@@ -1,8 +1,10 @@
 <?php
 
 return (new PhpCsFixer\Config())
+    ->setParallelConfig(PhpCsFixer\Runner\Parallel\ParallelConfigFactory::detect())
     ->setRules([
         '@Symfony' => true,
+        'phpdoc_separation' => false,
         'array_syntax' => array('syntax' => 'short'),
         'no_unreachable_default_argument_value' => false,
         'braces' => array('allow_single_line_closure' => true),
diff --git a/bin/php-cs-fixer b/bin/php-cs-fixer
index 927a390..8a1affc 100755
--- a/bin/php-cs-fixer
+++ b/bin/php-cs-fixer
@@ -1,7 +1,7 @@
 #!/bin/bash -e
 
-PHP_CS_FIXER_VERSION=${PHP_CS_FIXER_VERSION:-3.11.0}
+PHP_CS_FIXER_VERSION=${PHP_CS_FIXER_VERSION:-3.62.0-php8.3}
 if [ -t 1 ]; then TTY='--tty'; else TTY=''; fi
 
-exec docker run --rm --init --interactive $TTY -w=/${PWD} -v $(pwd):/${PWD} oskarstark/php-cs-fixer-ga:$PHP_CS_FIXER_VERSION "$@"
+exec docker run --rm --init --interactive $TTY -v $(pwd):/code ghcr.io/php-cs-fixer/php-cs-fixer:$PHP_CS_FIXER_VERSION fix "$@"
 
diff --git a/src/AppBundle/Driver/KilnDriver.php b/src/AppBundle/Driver/KilnDriver.php
index 225e3d8..a482802 100644
--- a/src/AppBundle/Driver/KilnDriver.php
+++ b/src/AppBundle/Driver/KilnDriver.php
@@ -41,9 +41,6 @@ class KilnDriver extends VcsDriver
     /** @var string */
     private $oAuthToken;
 
-    /**
-     * {@inheritDoc}
-     */
     public function initialize()
     {
         preg_match('/^(?:https:\/\/webfactory.kilnhg.com\/(.*)\/(.*?)(?:$|\.))/', $this->url, $match);
@@ -81,9 +78,6 @@ public function getRepositoryUrl()
         return 'https://'.$this->originUrl.'/'.$this->owner.'/'.$this->repository;
     }
 
-    /**
-     * {@inheritDoc}
-     */
     public function getRootIdentifier()
     {
         if ($this->gitDriver) {
@@ -93,9 +87,6 @@ public function getRootIdentifier()
         return $this->rootIdentifier;
     }
 
-    /**
-     * {@inheritDoc}
-     */
     public function getUrl()
     {
         if ($this->gitDriver) {
@@ -105,21 +96,11 @@ public function getUrl()
         return 'https://'.$this->originUrl.'/'.$this->owner.'/'.$this->repository.'.git';
     }
 
-    /**
-     * {@inheritDoc}
-     *
-     * @param string $operation
-     *                          e.g. listing all Projects $operation = 'Project'
-     *                          e.g. getting file content $operation = 'Repo/{repoId}/Raw/File/{$filePath}
-     */
     protected function getApiUrl()
     {
         return 'https://'.$this->originUrl.'/Api/1.0/';
     }
 
-    /**
-     * {@inheritDoc}
-     */
     public function getSource($identifier)
     {
         if ($this->gitDriver) {
@@ -130,8 +111,6 @@ public function getSource($identifier)
     }
 
     /**
-     * {@inheritDoc}
-     *
      * @throws RuntimeException
      */
     public function getDist($identifier)
@@ -139,9 +118,6 @@ public function getDist($identifier)
         throw new RuntimeException('Zip downloads are not supported by the Kiln API');
     }
 
-    /**
-     * {@inheritDoc}
-     */
     public function getComposerInformation($identifier)
     {
         if ($this->gitDriver) {
@@ -170,9 +146,6 @@ public function getComposerInformation($identifier)
         return $this->infoCache[$identifier];
     }
 
-    /**
-     * {@inheritdoc}
-     */
     public function getFileContent($file, $identifier)
     {
         if ($this->gitDriver) {
@@ -192,9 +165,6 @@ public function getFileContent($file, $identifier)
         }
     }
 
-    /**
-     * {@inheritdoc}
-     */
     public function getChangeDate($identifier)
     {
         if ($this->gitDriver) {
@@ -207,9 +177,6 @@ public function getChangeDate($identifier)
         return new DateTime($commit['commit']['committer']['date']);
     }
 
-    /**
-     * {@inheritDoc}
-     */
     public function getTags()
     {
         if ($this->gitDriver) {
@@ -230,9 +197,6 @@ public function getTags()
         return $this->tags;
     }
 
-    /**
-     * {@inheritDoc}
-     */
     public function getBranches()
     {
         if ($this->gitDriver) {
@@ -258,9 +222,6 @@ public function getBranches()
         return $this->branches;
     }
 
-    /**
-     * {@inheritDoc}
-     */
     public static function supports(IOInterface $io, Config $config, $url, $deep = false)
     {
         return false !== strpos($url, 'kilnhg');
@@ -276,9 +237,6 @@ protected function generateSshUrl()
         return 'ssh://webfactory@'.$this->originUrl.'/'.$this->owner.'/'.$this->repository;
     }
 
-    /**
-     * {@inheritDoc}
-     */
     protected function getContents($url, $fetchingRepoData = false)
     {
         $contents = file_get_contents($url);
diff --git a/src/AppBundle/Factory/VcsDriverFactory.php b/src/AppBundle/Factory/VcsDriverFactory.php
index cc01358..3c1ec83 100644
--- a/src/AppBundle/Factory/VcsDriverFactory.php
+++ b/src/AppBundle/Factory/VcsDriverFactory.php
@@ -19,7 +19,7 @@ class VcsDriverFactory
     /** @var array ['platform' => VcsDriverInterface class ] */
     private $drivers;
 
-    public function __construct($githubOAuthToken, $kilnOAuthToken, array $drivers = null)
+    public function __construct($githubOAuthToken, $kilnOAuthToken, ?array $drivers = null)
     {
         $this->githubOAuthToken = $githubOAuthToken;
         $this->kilnOAuthToken = $kilnOAuthToken;
diff --git a/src/AppBundle/ProjectImport/DoctrinePackageProvider.php b/src/AppBundle/ProjectImport/DoctrinePackageProvider.php
index 650da53..fd8ea0d 100644
--- a/src/AppBundle/ProjectImport/DoctrinePackageProvider.php
+++ b/src/AppBundle/ProjectImport/DoctrinePackageProvider.php
@@ -18,9 +18,6 @@ public function __construct(PackageRepository $packageRepository)
         $this->packageRepository = $packageRepository;
     }
 
-    /**
-     * {@inheritdoc}
-     */
     public function providePackage($name)
     {
         $package = $this->packageRepository->findOneBy(['name' => $name]);
diff --git a/src/AppBundle/ProjectImport/DoctrineProjectProvider.php b/src/AppBundle/ProjectImport/DoctrineProjectProvider.php
index 882cfad..9330d57 100644
--- a/src/AppBundle/ProjectImport/DoctrineProjectProvider.php
+++ b/src/AppBundle/ProjectImport/DoctrineProjectProvider.php
@@ -18,9 +18,6 @@ public function __construct(ProjectRepository $projectRepository)
         $this->projectRepository = $projectRepository;
     }
 
-    /**
-     * {@inheritdoc}
-     */
     public function provideProject($name)
     {
         $project = $this->projectRepository->findOneBy(['name' => $name]);
diff --git a/src/AppBundle/ProjectImport/LockFileFetcher.php b/src/AppBundle/ProjectImport/LockFileFetcher.php
index c54b5b2..5cab7ba 100644
--- a/src/AppBundle/ProjectImport/LockFileFetcher.php
+++ b/src/AppBundle/ProjectImport/LockFileFetcher.php
@@ -16,8 +16,6 @@ public function __construct(VcsDriverFactory $vcsDriverFactory)
     }
 
     /**
-     * @param $vcsUrl
-     *
      * @return string|null
      */
     public function getLockContents($vcsUrl)
diff --git a/src/AppBundle/Tests/Driver/KilnDriverTest.php b/src/AppBundle/Tests/Driver/KilnDriverTest.php
index 425af5e..593ab67 100644
--- a/src/AppBundle/Tests/Driver/KilnDriverTest.php
+++ b/src/AppBundle/Tests/Driver/KilnDriverTest.php
@@ -17,7 +17,7 @@ class KilnDriverTest extends TestCase
     /**
      * @var KilnDriver|MockObject
      */
-    private $driver = null;
+    private $driver;
 
     /**
      * Initializes the test environment.
diff --git a/src/AppBundle/Tests/Entity/VersionConstraintTest.php b/src/AppBundle/Tests/Entity/VersionConstraintTest.php
index 3389426..3062e27 100644
--- a/src/AppBundle/Tests/Entity/VersionConstraintTest.php
+++ b/src/AppBundle/Tests/Entity/VersionConstraintTest.php
@@ -16,8 +16,8 @@ public function versionConstraintWithSmallerThanOperatorMatchesPackageVersionsWi
     {
         $versionConstraint = new VersionConstraint('<', '2.0.0');
         $packageVersions = [
-          new PackageVersion('1.0.0', new Package('foo')),
-          new PackageVersion('3.0.0', new Package('foo')),
+            new PackageVersion('1.0.0', new Package('foo')),
+            new PackageVersion('3.0.0', new Package('foo')),
         ];
 
         $matches = $this->matchPackageVersions($versionConstraint, $packageVersions);
@@ -33,10 +33,10 @@ public function versionConstraintWithSmallerEqualsOperatorMatchesPackageVersions
     {
         $versionConstraint = new VersionConstraint('<=', '2.0.0');
         $packageVersions = [
-        new PackageVersion('1.0.0', new Package('foo')),
-        new PackageVersion('2.0.0', new Package('foo')),
-        new PackageVersion('3.0.0', new Package('foo')),
-      ];
+            new PackageVersion('1.0.0', new Package('foo')),
+            new PackageVersion('2.0.0', new Package('foo')),
+            new PackageVersion('3.0.0', new Package('foo')),
+        ];
 
         $matches = $this->matchPackageVersions($versionConstraint, $packageVersions);
 
@@ -52,9 +52,9 @@ public function versionConstraintWithLargerThanOperatorMatchesPackageVersionsWit
     {
         $versionConstraint = new VersionConstraint('>', '2.0.0');
         $packageVersions = [
-        new PackageVersion('1.0.0', new Package('foo')),
-        new PackageVersion('3.0.0', new Package('foo')),
-      ];
+            new PackageVersion('1.0.0', new Package('foo')),
+            new PackageVersion('3.0.0', new Package('foo')),
+        ];
 
         $matches = $this->matchPackageVersions($versionConstraint, $packageVersions);
 
@@ -69,9 +69,9 @@ public function versionConstraintWithLargerEqualsOperatorMatchesPackageVersionsW
     {
         $versionConstraint = new VersionConstraint('>=', '2.0.0');
         $packageVersions = [
-          new PackageVersion('1.0.0', new Package('foo')),
-          new PackageVersion('2.0.0', new Package('foo')),
-          new PackageVersion('3.0.0', new Package('foo')),
+            new PackageVersion('1.0.0', new Package('foo')),
+            new PackageVersion('2.0.0', new Package('foo')),
+            new PackageVersion('3.0.0', new Package('foo')),
         ];
 
         $matches = $this->matchPackageVersions($versionConstraint, $packageVersions);
@@ -88,8 +88,8 @@ public function versionConstraintWithEqualsOperatorMatchesPackageVersionsWithEqu
     {
         $versionConstraint = new VersionConstraint('==', '2.0.0');
         $packageVersions = [
-          new PackageVersion('1.0.0', new Package('foo')),
-          new PackageVersion('2.0.0', new Package('foo')),
+            new PackageVersion('1.0.0', new Package('foo')),
+            new PackageVersion('2.0.0', new Package('foo')),
         ];
 
         $matches = $this->matchPackageVersions($versionConstraint, $packageVersions);
@@ -105,9 +105,9 @@ public function versionConstraintWithAllOperatorMatchesAllPackagesVersions()
     {
         $versionConstraint = new VersionConstraint('all', '2.0.0');
         $packageVersions = [
-          new PackageVersion('1.0.0', new Package('foo')),
-          new PackageVersion('2.0.0', new Package('foo')),
-          new PackageVersion('3.0.0', new Package('foo')),
+            new PackageVersion('1.0.0', new Package('foo')),
+            new PackageVersion('2.0.0', new Package('foo')),
+            new PackageVersion('3.0.0', new Package('foo')),
         ];
 
         $matches = $this->matchPackageVersions($versionConstraint, $packageVersions);
diff --git a/www/app.php b/www/app.php
index 514a5cc..c604f3a 100755
--- a/www/app.php
+++ b/www/app.php
@@ -36,7 +36,7 @@
 }
 
 if ($enableCache) {
-    class AppCache extends \Symfony\Bundle\FrameworkBundle\HttpCache\HttpCache
+    class AppCache extends Symfony\Bundle\FrameworkBundle\HttpCache\HttpCache
     {
     }
     $kernel = new AppCache($kernel);