diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index e75d6a48..7199791f 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -28,8 +28,6 @@ jobs:
             fail-fast: false
             matrix:
                 include:
-                    - description: 'No Symfony specified'
-                      php: '8.0'
                     - description: 'No Symfony specified'
                       php: '8.1'
                     - description: 'No Symfony specified'
@@ -37,10 +35,10 @@ jobs:
                     - description: 'No Symfony specified'
                       php: '8.3'
                     - description: 'Lowest deps'
-                      php: '8.0'
+                      php: '8.1'
                       composer_option: '--prefer-lowest'
                     - description: 'Symfony 5.4'
-                      php: '8.0'
+                      php: '8.1'
                       symfony: 5.4.*
                     - description: 'Symfony 7'
                       php: '8.2'
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4889e875..fbb6b3a4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,8 @@
-## 3.3.0 (2023-05-xx)
+## 3.4.0 (2024-xx-xx)
+
+* Increased minimum PHP version to 8.1 (to be consistent with KnpMenu 3.5)
+
+## 3.3.0 (2023-10-23)
 
 * Increased minimum PHP version to 8.0 (to be consistent with KnpMenu 3.4)
 * Dropped support for Symfony 3 and 4
diff --git a/composer.json b/composer.json
index ddb8a133..76fc9ba7 100644
--- a/composer.json
+++ b/composer.json
@@ -19,13 +19,13 @@
         }
     ],
     "require": {
-        "php": "^8.0",
+        "php": "^8.1",
         "knplabs/knp-menu": "^3.3",
         "symfony/deprecation-contracts": "^2.5 | ^3.3",
         "symfony/framework-bundle": "^5.4 | ^6.0 | ^7.0"
     },
     "require-dev": {
-        "phpunit/phpunit": "^9.6 | ^10.1",
+        "phpunit/phpunit": "^10.5 | ^11.0.3",
         "symfony/expression-language": "^5.4 | ^6.0 | ^7.0",
         "symfony/phpunit-bridge": "^6.0 | ^7.0",
         "symfony/templating": "^5.4 | ^6.0 | ^7.0"
diff --git a/phpunit.xml.dist b/phpunit.xml.dist
index 95b0a99c..44402926 100644
--- a/phpunit.xml.dist
+++ b/phpunit.xml.dist
@@ -2,18 +2,21 @@
 <phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          colors="true"
          bootstrap="vendor/autoload.php"
-         xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.6/phpunit.xsd">
-  <coverage>
+         xsi:noNamespaceSchemaLocation="vendor/phpunit/phpunit/phpunit.xsd">
+
+  <testsuites>
+    <testsuite name="KnpMenuBundle Test Suite">
+      <directory>./tests/</directory>
+    </testsuite>
+  </testsuites>
+
+  <source>
     <include>
       <directory>./src</directory>
     </include>
     <exclude>
       <directory>./src/Resources</directory>
     </exclude>
-  </coverage>
-  <testsuites>
-    <testsuite name="KnpMenuBundle Test Suite">
-      <directory suffix="Test.php">./tests/</directory>
-    </testsuite>
-  </testsuites>
+  </source>
+
 </phpunit>
diff --git a/tests/DependencyInjection/Compiler/AddVotersPassTest.php b/tests/DependencyInjection/Compiler/AddVotersPassTest.php
index b8e967a7..cf0f9a12 100644
--- a/tests/DependencyInjection/Compiler/AddVotersPassTest.php
+++ b/tests/DependencyInjection/Compiler/AddVotersPassTest.php
@@ -4,6 +4,7 @@
 
 use Knp\Bundle\MenuBundle\DependencyInjection\Compiler\AddVotersPass;
 use Knp\Menu\Matcher\Matcher;
+use PHPUnit\Framework\Attributes\Group;
 use PHPUnit\Framework\TestCase;
 use Symfony\Component\DependencyInjection\Argument\IteratorArgument;
 use Symfony\Component\DependencyInjection\ContainerBuilder;
@@ -41,9 +42,7 @@ public function testProcessWithAlias(): void
         );
     }
 
-    /**
-     * @group legacy
-     */
+    #[Group('legacy')]
     public function testProcessRequestAware(): void
     {
         $containerBuilder = new ContainerBuilder();
diff --git a/tests/DependencyInjection/ConfigurationTest.php b/tests/DependencyInjection/ConfigurationTest.php
index da91d8ca..46531e07 100644
--- a/tests/DependencyInjection/ConfigurationTest.php
+++ b/tests/DependencyInjection/ConfigurationTest.php
@@ -2,13 +2,12 @@
 
 namespace Knp\Bundle\MenuBundle\Tests\DependencyInjection;
 
+use PHPUnit\Framework\Attributes\DataProvider;
 use PHPUnit\Framework\TestCase;
 
 class ConfigurationTest extends TestCase
 {
-    /**
-     * @dataProvider getConfigs
-     */
+    #[DataProvider('getConfigs')]
     public function testConfigurationMatchesXsd($config): void
     {
         $configDom = new \DOMDocument();
diff --git a/tests/DependencyInjection/KnpMenuExtensionTest.php b/tests/DependencyInjection/KnpMenuExtensionTest.php
index e5145c80..e135004a 100644
--- a/tests/DependencyInjection/KnpMenuExtensionTest.php
+++ b/tests/DependencyInjection/KnpMenuExtensionTest.php
@@ -3,6 +3,7 @@
 namespace Knp\Bundle\MenuBundle\Tests\DependencyInjection;
 
 use Knp\Bundle\MenuBundle\DependencyInjection\KnpMenuExtension;
+use PHPUnit\Framework\Attributes\Group;
 use PHPUnit\Framework\TestCase;
 use Symfony\Component\DependencyInjection\ContainerBuilder;
 
@@ -47,9 +48,7 @@ public function testDisableTwig(): void
         $this->assertFalse($container->hasDefinition('knp_menu.renderer.twig'));
     }
 
-    /**
-     * @group legacy
-     */
+    #[Group('legacy')]
     public function testEnablePhpTemplates(): void
     {
         $container = new ContainerBuilder();
diff --git a/tests/Templating/MenuHelperTest.php b/tests/Templating/MenuHelperTest.php
index 825af0dd..44c19e1e 100644
--- a/tests/Templating/MenuHelperTest.php
+++ b/tests/Templating/MenuHelperTest.php
@@ -4,14 +4,15 @@
 
 use Knp\Bundle\MenuBundle\Templating\Helper\MenuHelper;
 use Knp\Menu\ItemInterface;
+use PHPUnit\Framework\Attributes\Group;
 use PHPUnit\Framework\TestCase;
 
 /**
  * Test for MenuHelper class.
  *
  * @author Leszek Prabucki <leszek.prabucki@gmail.com>
- * @group legacy
  */
+#[Group('legacy')]
 class MenuHelperTest extends TestCase
 {
     public function testGet(): void