diff --git a/Tests/Functional/Caching/FlushViaDataHandlerChangesTest.php b/Tests/Functional/Caching/FlushViaDataHandlerChangesTest.php
index f8b8e7b..3bf4797 100644
--- a/Tests/Functional/Caching/FlushViaDataHandlerChangesTest.php
+++ b/Tests/Functional/Caching/FlushViaDataHandlerChangesTest.php
@@ -23,6 +23,9 @@
 
 namespace Sinso\Variables\Tests\Functional\Caching;
 
+use Generator;
+use PHPUnit\Framework\Attributes\DataProvider;
+use PHPUnit\Framework\Attributes\Test;
 use Prophecy\Argument;
 use Prophecy\PhpUnit\ProphecyTrait;
 use Sinso\Variables\Hooks\DataHandler;
@@ -37,9 +40,7 @@ class FlushViaDataHandlerChangesTest extends FunctionalTestCase
 {
     use ProphecyTrait;
 
-    /**
-     * @test
-     */
+    #[Test]
     public function canBeCreated(): void
     {
         $subject = new DataHandler();
@@ -50,10 +51,8 @@ public function canBeCreated(): void
         );
     }
 
-    /**
-     * @test
-     * @dataProvider possibleNoneTriggeringParams
-     */
+    #[Test]
+    #[DataProvider('possibleNoneTriggeringParams')]
     public function doesNotInteractWithCacheManagerOnUnkownData(array $params): void
     {
         $cacheManager = $this->prophesize(CacheManager::class);
@@ -68,7 +67,7 @@ public function doesNotInteractWithCacheManagerOnUnkownData(array $params): void
     /**
      * @return Generator<string,array{params:array}|array{params:array<string,string>}>
      */
-    public function possibleNoneTriggeringParams(): \Generator
+    public static function possibleNoneTriggeringParams(): Generator
     {
         yield 'no table given' => [
             'params' => [],
@@ -87,9 +86,7 @@ public function possibleNoneTriggeringParams(): \Generator
         ];
     }
 
-    /**
-     * @test
-     */
+    #[Test]
     public function flushCachesByGroupForMarker(): void
     {
         $cacheManager = $this->prophesize(CacheManager::class);
diff --git a/Tests/Functional/Frontend/AbstractProcessesMarkersTest.php b/Tests/Functional/Frontend/AbstractProcessesMarkersTest.php
index 332e646..c647543 100644
--- a/Tests/Functional/Frontend/AbstractProcessesMarkersTest.php
+++ b/Tests/Functional/Frontend/AbstractProcessesMarkersTest.php
@@ -23,11 +23,13 @@
 
 namespace Sinso\Variables\Tests\Functional\Frontend;
 
+use TYPO3\CMS\Core\Cache\Backend\Typo3DatabaseBackend;
 use TYPO3\TestingFramework\Core\Functional\Framework\Frontend\InternalRequest;
 use TYPO3\TestingFramework\Core\Functional\FunctionalTestCase;
 
 abstract class AbstractProcessesMarkersTest extends FunctionalTestCase
 {
+
     protected array $testExtensionsToLoad = [
         'typo3conf/ext/variables',
     ];
@@ -36,6 +38,19 @@ abstract class AbstractProcessesMarkersTest extends FunctionalTestCase
         'typo3conf/ext/variables/Tests/Functional/Fixtures/Frontend/Sites/' => 'typo3conf/sites',
     ];
 
+    protected array $configurationToUseInTestInstance = [
+        'SYS' => [
+            'caching' => [
+                'cacheConfigurations' => [
+                    // Set pages cache database backend, testing-framework sets this to NullBackend by default.
+                    'pages' => [
+                        'backend' => Typo3DatabaseBackend::class,
+                    ],
+                ],
+            ],
+        ],
+    ];
+
     protected function setUp(): void
     {
         parent::setUp();
diff --git a/Tests/Functional/Frontend/BreaksOnInvalidHookTest.php b/Tests/Functional/Frontend/BreaksOnInvalidHookTest.php
index 6c38b8a..d12df14 100644
--- a/Tests/Functional/Frontend/BreaksOnInvalidHookTest.php
+++ b/Tests/Functional/Frontend/BreaksOnInvalidHookTest.php
@@ -23,6 +23,7 @@
 
 namespace Sinso\Variables\Tests\Functional\Frontend;
 
+use PHPUnit\Framework\Attributes\Test;
 use Sinso\Variables\Tests\Functional\Fixtures\Frontend\Hook\NotImplementingInterface;
 
 /**
@@ -40,7 +41,8 @@ class BreaksOnInvalidHookTest extends AbstractProcessesMarkersTest
         ],
     ];
 
-    public function testThrowsExceptionIfConfiguredClassDoesntImplementInterface(): void
+    #[Test]
+    public function throwsExceptionIfConfiguredClassDoesntImplementInterface(): void
     {
         $this->expectException(\RuntimeException::class);
         $this->expectExceptionMessage('Sinso\Variables\Tests\Functional\Fixtures\Frontend\Hook\NotImplementingInterface does not implement Sinso\Variables\Hooks\MarkersProcessorInterface');
diff --git a/Tests/Functional/Frontend/ProcessesMarkersHookTest.php b/Tests/Functional/Frontend/ProcessesMarkersHookTest.php
index 22f0d7c..2924ff4 100644
--- a/Tests/Functional/Frontend/ProcessesMarkersHookTest.php
+++ b/Tests/Functional/Frontend/ProcessesMarkersHookTest.php
@@ -23,6 +23,7 @@
 
 namespace Sinso\Variables\Tests\Functional\Frontend;
 
+use PHPUnit\Framework\Attributes\Test;
 use Sinso\Variables\Tests\Functional\Fixtures\Frontend\Hook\ImplementingInterface;
 
 /**
@@ -40,7 +41,8 @@ class ProcessesMarkersHookTest extends AbstractProcessesMarkersTest
         ],
     ];
 
-    public function testExecutesHookClass(): void
+    #[Test]
+    public function executesHookClass(): void
     {
         $this->importDataSet('EXT:variables/Tests/Functional/Fixtures/Frontend/Marker.xml');
 
diff --git a/Tests/Functional/Frontend/ProcessesMarkersTest.php b/Tests/Functional/Frontend/ProcessesMarkersTest.php
index 7b01a7d..f199160 100644
--- a/Tests/Functional/Frontend/ProcessesMarkersTest.php
+++ b/Tests/Functional/Frontend/ProcessesMarkersTest.php
@@ -23,14 +23,15 @@
 
 namespace Sinso\Variables\Tests\Functional\Frontend;
 
+use PHPUnit\Framework\Attributes\Test;
+
 /**
  * @covers \Sinso\Variables\Hooks\ContentProcessor
  */
 class ProcessesMarkersTest extends AbstractProcessesMarkersTest
 {
-    /**
-     * @test
-     */
+
+    #[Test]
     public function noMarkerAppliedAsNoneExist(): void
     {
         self::assertStringContainsString(
@@ -42,7 +43,8 @@ public function noMarkerAppliedAsNoneExist(): void
         self::assertCount(1, $pageCache);
     }
 
-    public function testAppliesMarkersStoredOnSamePage(): void
+    #[Test]
+    public function appliesMarkersStoredOnSamePage(): void
     {
         $this->importDataSet('EXT:variables/Tests/Functional/Fixtures/Frontend/Marker.xml');
 
@@ -56,7 +58,8 @@ public function testAppliesMarkersStoredOnSamePage(): void
         self::assertSame('tx_variables_key_hash_b3560bb929f682dcc19c903256f98639', $pageCache[0]['tag']);
     }
 
-    public function testAppliesMarkersFromRootlinePage(): void
+    #[Test]
+    public function appliesMarkersFromRootlinePage(): void
     {
         $this->importDataSet('EXT:variables/Tests/Functional/Fixtures/Frontend/Marker.xml');
 
@@ -71,7 +74,8 @@ public function testAppliesMarkersFromRootlinePage(): void
         self::assertSame('tx_variables_key_hash_7324efb2ab7ff6e7ef0fe77210ff6b20', $pageCache[1]['tag']);
     }
 
-    public function testAppliesMarkersFromConfiguredStoragePid(): void
+    #[Test]
+    public function appliesMarkersFromConfiguredStoragePid(): void
     {
         $this->importDataSet('EXT:variables/Tests/Functional/Fixtures/Frontend/Marker.xml');
 
diff --git a/composer.json b/composer.json
index 8c01e4f..b6ca44e 100644
--- a/composer.json
+++ b/composer.json
@@ -19,7 +19,7 @@
   },
   "require-dev": {
     "rector/rector": "^0.12.23",
-    "typo3/testing-framework": "^6.0 || ^7.0",
+    "typo3/testing-framework": "^7.0",
     "phpspec/prophecy-phpunit": "^2.0",
     "symplify/easy-coding-standard": "^10.2"
   },