diff --git a/composer.json b/composer.json
index a463ae88..95b71313 100644
--- a/composer.json
+++ b/composer.json
@@ -40,7 +40,7 @@
     "dama/doctrine-test-bundle": "^v8.2.0",
     "friendsofphp/php-cs-fixer": "v3.95.13",
     "phpunit/phpunit": "^12.0",
-    "rector/rector": "2.4.5",
+    "rector/rector": "2.5.4",
     "roave/security-advisories": "dev-latest",
     "symfony/browser-kit": "v8.0.8",
     "symfony/css-selector": "v8.0.9",
diff --git a/composer.lock b/composer.lock
index 72f98a70..c7b8f75b 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "3e9f02d9b3d7dd0c075fc7100d1b46ec",
+    "content-hash": "a8b3c086b9219086bc7135fb6cfd9b09",
     "packages": [
         {
             "name": "composer/ca-bundle",
@@ -9749,21 +9749,21 @@
         },
         {
             "name": "rector/rector",
-            "version": "2.4.5",
+            "version": "2.5.4",
             "source": {
                 "type": "git",
                 "url": "https://github.com/rectorphp/rector.git",
-                "reference": "cbd86024be5014d3c14d9f0b3f7aae8ecbffd62c"
+                "reference": "adaa18d7cd6b3c960967cfbc98c03efb3116ac0e"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/rectorphp/rector/zipball/cbd86024be5014d3c14d9f0b3f7aae8ecbffd62c",
-                "reference": "cbd86024be5014d3c14d9f0b3f7aae8ecbffd62c",
+                "url": "https://api.github.com/repos/rectorphp/rector/zipball/adaa18d7cd6b3c960967cfbc98c03efb3116ac0e",
+                "reference": "adaa18d7cd6b3c960967cfbc98c03efb3116ac0e",
                 "shasum": ""
             },
             "require": {
                 "php": "^7.4|^8.0",
-                "phpstan/phpstan": "^2.1.56"
+                "phpstan/phpstan": "^2.2.2"
             },
             "conflict": {
                 "rector/rector-doctrine": "*",
@@ -9797,7 +9797,7 @@
             ],
             "support": {
                 "issues": "https://github.com/rectorphp/rector/issues",
-                "source": "https://github.com/rectorphp/rector/tree/2.4.5"
+                "source": "https://github.com/rectorphp/rector/tree/2.5.4"
             },
             "funding": [
                 {
@@ -9805,7 +9805,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2026-05-26T21:03:22+00:00"
+            "time": "2026-07-06T12:41:46+00:00"
         },
         {
             "name": "roave/security-advisories",
diff --git a/src/Command/AliasAddCommand.php b/src/Command/AliasAddCommand.php
index 9d930cf0..8c06edd2 100644
--- a/src/Command/AliasAddCommand.php
+++ b/src/Command/AliasAddCommand.php
@@ -21,7 +21,6 @@
 use Symfony\Component\Console\Input\InputInterface;
 use Symfony\Component\Console\Input\InputOption;
 use Symfony\Component\Console\Output\OutputInterface;
-use Symfony\Component\Validator\ConstraintViolation;
 use Symfony\Component\Validator\Validator\ValidatorInterface;
 
 class AliasAddCommand extends Command
diff --git a/src/Command/DomainAddCommand.php b/src/Command/DomainAddCommand.php
index 4c34c2f9..488cbdf6 100644
--- a/src/Command/DomainAddCommand.php
+++ b/src/Command/DomainAddCommand.php
@@ -18,7 +18,6 @@
 use Symfony\Component\Console\Input\InputArgument;
 use Symfony\Component\Console\Input\InputInterface;
 use Symfony\Component\Console\Output\OutputInterface;
-use Symfony\Component\Validator\ConstraintViolation;
 use Symfony\Component\Validator\Validator\ValidatorInterface;
 
 class DomainAddCommand extends Command
diff --git a/src/Command/InitSetupCommand.php b/src/Command/InitSetupCommand.php
index dfd455ab..8a35d7c4 100644
--- a/src/Command/InitSetupCommand.php
+++ b/src/Command/InitSetupCommand.php
@@ -20,7 +20,6 @@
 use Symfony\Component\Console\Input\InputInterface;
 use Symfony\Component\Console\Output\OutputInterface;
 use Symfony\Component\Console\Question\Question;
-use Symfony\Component\Validator\ConstraintViolation;
 use Symfony\Component\Validator\Validator\ValidatorInterface;
 
 class InitSetupCommand extends Command
diff --git a/src/Command/UserAddCommand.php b/src/Command/UserAddCommand.php
index 7c25e93d..7f820978 100644
--- a/src/Command/UserAddCommand.php
+++ b/src/Command/UserAddCommand.php
@@ -23,7 +23,6 @@
 use Symfony\Component\Console\Input\InputOption;
 use Symfony\Component\Console\Output\OutputInterface;
 use Symfony\Component\Console\Question\Question;
-use Symfony\Component\Validator\ConstraintViolation;
 use Symfony\Component\Validator\Validator\ValidatorInterface;
 
 class UserAddCommand extends Command
diff --git a/src/Controller/Admin/DashboardController.php b/src/Controller/Admin/DashboardController.php
index 4026d6b3..f89e10b6 100644
--- a/src/Controller/Admin/DashboardController.php
+++ b/src/Controller/Admin/DashboardController.php
@@ -46,7 +46,8 @@ public function configureDashboard(): Dashboard
     {
         return Dashboard::new()
             ->setTitle('mailserver-admin')
-            ->setFaviconPath('favicon.svg');
+            ->setFaviconPath('favicon.svg')
+            ->generateRelativeUrls();
     }
 
     #[\Override]
diff --git a/templates/bundles/EasyAdminBundle/page/login.html.twig b/templates/bundles/EasyAdminBundle/page/login.html.twig
index 9b95c0a9..f6331c2c 100644
--- a/templates/bundles/EasyAdminBundle/page/login.html.twig
+++ b/templates/bundles/EasyAdminBundle/page/login.html.twig
@@ -4,7 +4,9 @@
     <div class="text-center mt-5 mb-4">
         {{ include('admin/_includes/logo.html.twig') }}
     </div>
-    {{ parent() }}
+    <div class="text-center">
+        {{ parent() }}
+    </div>
 {% endblock %}
 
 {% block head_favicon %}
diff --git a/tests/Integration/Controller/Admin/DKIMCrudControllerTest.php b/tests/Integration/Controller/Admin/DKIMCrudControllerTest.php
index b65a6fcc..73176012 100644
--- a/tests/Integration/Controller/Admin/DKIMCrudControllerTest.php
+++ b/tests/Integration/Controller/Admin/DKIMCrudControllerTest.php
@@ -162,6 +162,25 @@ public function testRecreateKey(): void
         static::assertNotEmpty($updatedDomain->getDkimPrivateKey());
     }
 
+    public function testRecreateKeyRelativeFormUrl(): void
+    {
+        $this->loginClient($this->client);
+
+        $domainRepository = $this->entityManager->getRepository(Domain::class);
+        \assert($domainRepository instanceof DomainRepository);
+        $domain = $domainRepository->findOneBy(['name' => 'example.com']);
+        static::assertInstanceOf(Domain::class, $domain);
+
+        $this->client->request(Request::METHOD_GET, $this->generateEditFormUrl($domain->getId()));
+        static::assertResponseIsSuccessful();
+
+        $form = $this->client->getCrawler()->filter('form.action-recreateKey');
+        $action = $form->attr('action');
+
+        static::assertStringStartsNotWith('http://', $action, 'Relative URL configuration is required for the DashboardController.');
+        static::assertStringStartsNotWith('https://', $action, 'Relative URL configuration is required for the DashboardController.');
+    }
+
     protected function getControllerFqcn(): string
     {
         return DKIMCrudController::class;
diff --git a/tests/Unit/Command/RedisSyncCommandTest.php b/tests/Unit/Command/RedisSyncCommandTest.php
index 14641ac7..bc80d9ef 100644
--- a/tests/Unit/Command/RedisSyncCommandTest.php
+++ b/tests/Unit/Command/RedisSyncCommandTest.php
@@ -23,8 +23,17 @@ class RedisSyncCommandTest extends TestCase
 {
     private CommandTester $commandTester;
 
+    /**
+     * @var MockObject&Manager
+     */
     private MockObject $managerMock;
+    /**
+     * @var MockObject&AccountWriter
+     */
     private MockObject $accountWriterMock;
+    /**
+     * @var MockObject&ConnectionCheckService
+     */
     private MockObject $connectionCheckServiceMock;
 
     protected function setUp(): void
diff --git a/tests/Unit/Controller/Admin/Observability/DovecotStatsControllerTest.php b/tests/Unit/Controller/Admin/Observability/DovecotStatsControllerTest.php
index 20542f16..5ebddcd0 100644
--- a/tests/Unit/Controller/Admin/Observability/DovecotStatsControllerTest.php
+++ b/tests/Unit/Controller/Admin/Observability/DovecotStatsControllerTest.php
@@ -215,8 +215,8 @@ public function testChartsFragmentWithData(): void
             'auth_failures' => new RateSeriesDto('auth_failures', '/min', [], []),
         ];
         $mailDeliveryRates = new RateSeriesDto('mail_deliveries', '/min', [], []);
-        $authChart = $this->createMock(Chart::class);
-        $mailDeliveriesChart = $this->createMock(Chart::class);
+        $authChart = $this->createStub(Chart::class);
+        $mailDeliveriesChart = $this->createStub(Chart::class);
 
         $this->sampler
             ->expects($this->once())
diff --git a/tests/Unit/Controller/Admin/Observability/RspamdStatsControllerTest.php b/tests/Unit/Controller/Admin/Observability/RspamdStatsControllerTest.php
index dbaa4224..3a1afce3 100644
--- a/tests/Unit/Controller/Admin/Observability/RspamdStatsControllerTest.php
+++ b/tests/Unit/Controller/Admin/Observability/RspamdStatsControllerTest.php
@@ -102,7 +102,7 @@ public function testSummary(): void
     public function testThroughputWithValidType(): void
     {
         $series = new TimeSeriesDto(TimeSeriesDto::TYPE_DAY, ['00:00'], ['spam' => [10]]);
-        $chart = $this->createMock(Chart::class);
+        $chart = $this->createStub(Chart::class);
 
         $this->statsService
             ->expects($this->once())
@@ -134,7 +134,7 @@ public function testThroughputWithValidType(): void
     public function testThroughputWithInvalidType(): void
     {
         $series = TimeSeriesDto::empty('day');
-        $chart = $this->createMock(Chart::class);
+        $chart = $this->createStub(Chart::class);
 
         $this->statsService
             ->expects($this->once())
@@ -161,7 +161,7 @@ public function testThroughputWithInvalidType(): void
     public function testActionsPie(): void
     {
         $distribution = new ActionDistributionDto(['reject' => 100]);
-        $chart = $this->createMock(Chart::class);
+        $chart = $this->createStub(Chart::class);
 
         $this->statsService
             ->expects($this->once())
diff --git a/tests/Unit/Service/ConnectionCheckServiceTest.php b/tests/Unit/Service/ConnectionCheckServiceTest.php
index 8c017cb3..b762a754 100644
--- a/tests/Unit/Service/ConnectionCheckServiceTest.php
+++ b/tests/Unit/Service/ConnectionCheckServiceTest.php
@@ -101,7 +101,7 @@ public function testCheckMySQLWithAllowEmptyDatabaseSuccess(): void
             ->expects($this->once())
             ->method('executeQuery')
             ->with('SELECT 1')
-            ->willReturn($this->createMock(Result::class));
+            ->willReturn($this->createStub(Result::class));
 
         $this->entityManager
             ->expects($this->once())
@@ -404,7 +404,7 @@ public function testCheckAllWithAllowEmptyDatabase(): void
             ->expects($this->once())
             ->method('executeQuery')
             ->with('SELECT 1')
-            ->willReturn($this->createMock(Result::class));
+            ->willReturn($this->createStub(Result::class));
 
         $this->entityManager
             ->expects($this->once())
@@ -438,7 +438,7 @@ public function testCheckAllWithAllowEmptyDatabaseAndAllServices(): void
             ->expects($this->once())
             ->method('executeQuery')
             ->with('SELECT 1')
-            ->willReturn($this->createMock(Result::class));
+            ->willReturn($this->createStub(Result::class));
 
         $this->entityManager
             ->expects($this->once())
diff --git a/tests/Unit/Service/DKIM/DomainKeyReaderServiceTest.php b/tests/Unit/Service/DKIM/DomainKeyReaderServiceTest.php
index 30ba0f05..4cb0384d 100644
--- a/tests/Unit/Service/DKIM/DomainKeyReaderServiceTest.php
+++ b/tests/Unit/Service/DKIM/DomainKeyReaderServiceTest.php
@@ -17,6 +17,9 @@
 
 class DomainKeyReaderServiceTest extends TestCase
 {
+    /**
+     * @var MockObject&DnsLookupInterface
+     */
     private MockObject $resolver;
 
     private DomainKeyReaderService $instance;
diff --git a/tests/Unit/Service/Security/User/OAuth/UserProviderTest.php b/tests/Unit/Service/Security/User/OAuth/UserProviderTest.php
index 4581702c..f9746e96 100644
--- a/tests/Unit/Service/Security/User/OAuth/UserProviderTest.php
+++ b/tests/Unit/Service/Security/User/OAuth/UserProviderTest.php
@@ -16,12 +16,14 @@
 use Doctrine\ORM\EntityManagerInterface;
 use HWI\Bundle\OAuthBundle\OAuth\Response\PathUserResponse;
 use HWI\Bundle\OAuthBundle\Security\Core\Exception\AccountNotLinkedException;
+use PHPUnit\Framework\Attributes\AllowMockObjectsWithoutExpectations;
 use PHPUnit\Framework\Attributes\DataProvider;
 use PHPUnit\Framework\MockObject\MockObject;
 use PHPUnit\Framework\TestCase;
 use Symfony\Component\Security\Core\Exception\UnsupportedUserException;
 use Symfony\Component\Security\Core\User\UserInterface;
 
+#[AllowMockObjectsWithoutExpectations]
 class UserProviderTest extends TestCase
 {
     private MockObject&UserRepository $userRepository;