diff --git a/composer.json b/composer.json
index 79b09e1..8d685b8 100644
--- a/composer.json
+++ b/composer.json
@@ -9,24 +9,24 @@
     "require": {
         "php": " >=8.3",
         "ext-json": "*",
-        "ibexa/admin-ui": "~5.0.x-dev",
-        "ibexa/core": "~5.0.x-dev",
+        "ibexa/admin-ui": "dev-ibx-8470-symfony-6 as 5.0.x-dev",
+        "ibexa/core": "dev-ibx-8470-symfony-6 as 5.0.x-dev",
         "zetacomponents/system-information": "^1.1.1"
     },
     "require-dev": {
-        "ibexa/ci-scripts": "^0.2@dev",
+        "ibexa/ci-scripts": "dev-ibx-8470-symfony-6 as 5.0.x-dev",
         "ibexa/code-style": "~2.0.0",
-        "ibexa/content-forms": "~5.0.x-dev",
-        "ibexa/design-engine": "~5.0.x-dev",
-        "ibexa/doctrine-schema": "~5.0.x-dev",
-        "ibexa/fieldtype-richtext": "~5.0.x-dev",
-        "ibexa/http-cache": "~5.0.x-dev",
-        "ibexa/notifications": "~5.0.x-dev",
-        "ibexa/phpstan": "~5.0.x-dev",
-        "ibexa/rest": "~5.0.x-dev",
-        "ibexa/search": "~5.0.x-dev",
-        "ibexa/test-core": "~5.0.x-dev",
-        "ibexa/user": "~5.0.x-dev",
+        "ibexa/content-forms": "dev-ibx-8470-symfony-6 as 5.0.x-dev",
+        "ibexa/design-engine": "dev-ibx-8470-symfony-6 as 5.0.x-dev",
+        "ibexa/doctrine-schema": "dev-ibx-8470-symfony-6 as 5.0.x-dev",
+        "ibexa/fieldtype-richtext": "dev-ibx-8470-symfony-6 as 5.0.x-dev",
+        "ibexa/http-cache": "dev-ibx-8470-symfony-6 as 5.0.x-dev",
+        "ibexa/notifications": "dev-ibx-8470-symfony-6 as 5.0.x-dev",
+        "ibexa/phpstan": "5.0.x-dev",
+        "ibexa/rest": "dev-ibx-8470-symfony-6 as 5.0.x-dev",
+        "ibexa/search": "dev-ibx-8470-symfony-6 as 5.0.x-dev",
+        "ibexa/test-core": "dev-ibx-8470-symfony-6 as 5.0.x-dev",
+        "ibexa/user": "dev-ibx-8470-symfony-6 as 5.0.x-dev",
         "hautelook/templated-uri-bundle": "^3.4",
         "matthiasnoback/symfony-dependency-injection-test": "^4.0",
         "phpunit/phpunit": "^9.6",
diff --git a/src/bundle/Resources/config/view.yaml b/src/bundle/Resources/config/view.yaml
index 022b744..9a75498 100644
--- a/src/bundle/Resources/config/view.yaml
+++ b/src/bundle/Resources/config/view.yaml
@@ -2,6 +2,7 @@ services:
     Ibexa\Bundle\SystemInfo\Controller\SystemInfoController:
         parent: Ibexa\Contracts\AdminUi\Controller\Controller
         autowire: true
+        autoconfigure: true
         arguments:
             - '@Ibexa\Bundle\SystemInfo\SystemInfo\Registry\IdentifierBased'
         tags:
diff --git a/src/bundle/View/SystemInfoViewBuilder.php b/src/bundle/View/SystemInfoViewBuilder.php
index 0578b14..b365e3a 100644
--- a/src/bundle/View/SystemInfoViewBuilder.php
+++ b/src/bundle/View/SystemInfoViewBuilder.php
@@ -37,7 +37,7 @@ public function __construct(Configurator $viewConfigurator, SystemInfoCollectorR
 
     public function matches($argument): bool
     {
-        return $argument === 'ibexa.support_tools.view.controller:viewInfoAction';
+        return $argument === 'ibexa.support_tools.view.controller::viewInfoAction';
     }
 
     /**
diff --git a/src/contracts/.gitkeep b/src/contracts/.gitkeep
new file mode 100644
index 0000000..e69de29
diff --git a/src/lib/Service/AggregateServiceProvider.php b/src/lib/Service/AggregateServiceProvider.php
index ac609ad..297b249 100644
--- a/src/lib/Service/AggregateServiceProvider.php
+++ b/src/lib/Service/AggregateServiceProvider.php
@@ -17,8 +17,12 @@
  */
 final class AggregateServiceProvider implements ServiceProviderInterface
 {
+    /** @var \Symfony\Component\DependencyInjection\ServiceLocator<\Ibexa\SystemInfo\Service\ServiceInfo> */
     private ServiceLocator $serviceLocator;
 
+    /**
+     * @param \Symfony\Component\DependencyInjection\ServiceLocator<\Ibexa\SystemInfo\Service\ServiceInfo> $service
+     */
     public function __construct(ServiceLocator $service)
     {
         $this->serviceLocator = $service;
diff --git a/src/lib/Storage/AggregateMetricsProvider.php b/src/lib/Storage/AggregateMetricsProvider.php
index cb2ae4e..03d0d51 100644
--- a/src/lib/Storage/AggregateMetricsProvider.php
+++ b/src/lib/Storage/AggregateMetricsProvider.php
@@ -17,9 +17,12 @@
  */
 final class AggregateMetricsProvider implements MetricsProvider
 {
-    /** @var \Symfony\Component\DependencyInjection\ServiceLocator */
-    private $metricsLocator;
+    /** @var \Symfony\Component\DependencyInjection\ServiceLocator<\Ibexa\SystemInfo\Storage\Metrics> */
+    private ServiceLocator $metricsLocator;
 
+    /**
+     * @param \Symfony\Component\DependencyInjection\ServiceLocator<\Ibexa\SystemInfo\Storage\Metrics> $metrics
+     */
     public function __construct(ServiceLocator $metrics)
     {
         $this->metricsLocator = $metrics;
diff --git a/src/lib/Tab/SystemInfo/SystemInfoTab.php b/src/lib/Tab/SystemInfo/SystemInfoTab.php
index d9024b8..200ba36 100644
--- a/src/lib/Tab/SystemInfo/SystemInfoTab.php
+++ b/src/lib/Tab/SystemInfo/SystemInfoTab.php
@@ -44,7 +44,7 @@ public function __construct(
 
     public function getControllerReference(array $parameters): ControllerReference
     {
-        return new ControllerReference('ibexa.support_tools.view.controller:viewInfoAction', [
+        return new ControllerReference('ibexa.support_tools.view.controller::viewInfoAction', [
             'systemInfoIdentifier' => $this->collectorIdentifier,
             'viewType' => 'pjax_tab',
         ]);
diff --git a/tests/bundle/View/SystemInfoViewBuilderTest.php b/tests/bundle/View/SystemInfoViewBuilderTest.php
index 1b6994d..03bb3c6 100644
--- a/tests/bundle/View/SystemInfoViewBuilderTest.php
+++ b/tests/bundle/View/SystemInfoViewBuilderTest.php
@@ -34,13 +34,13 @@ class SystemInfoViewBuilderTest extends TestCase
     public function testMatches(): void
     {
         $builder = new SystemInfoViewBuilder($this->getConfiguratorMock(), $this->getRegistryMock());
-        self::assertTrue($builder->matches('ibexa.support_tools.view.controller:viewInfoAction'));
+        self::assertTrue($builder->matches('ibexa.support_tools.view.controller::viewInfoAction'));
     }
 
     public function testNotMatches(): void
     {
         $builder = new SystemInfoViewBuilder($this->getConfiguratorMock(), $this->getRegistryMock());
-        self::assertFalse($builder->matches('service:someAction'));
+        self::assertFalse($builder->matches('service::someAction'));
     }
 
     public function testBuildView(): void