diff --git a/CHANGELOG-2.x.md b/CHANGELOG-2.x.md
index a1c3826..8dac351 100644
--- a/CHANGELOG-2.x.md
+++ b/CHANGELOG-2.x.md
@@ -3,11 +3,13 @@
 ## v2.6.0 - Unreleased
 
 ### Added
-- Twig ^v3.14 support
 - PHPUnit v11 support
 
-### Removed
-- PHPUnit v10 support
+### Deprecated
+- `DateFormatExtension` will be replaced by Twig date filter
+
+### Changed
+- Twig v3.14 was set as the minimal supported version
 
 ## v2.5.0 - 2024-10-14
 
diff --git a/services.yaml b/services.yaml
index ace5a96..5c27c5d 100644
--- a/services.yaml
+++ b/services.yaml
@@ -169,6 +169,10 @@ services:
     arguments:
       - '@OxidEsales\EshopCommunity\Internal\Transition\Adapter\TemplateLogic\DateFormatHelper'
     tags: ['twig.extension']
+    deprecated:
+      package: 'oxid-esales/twig-component'
+      version: '2.6.0'
+      message: 'The "%service_id%" service is deprecated.'
 
   OxidEsales\Twig\Extensions\Filters\TranslateExtension:
     arguments:
diff --git a/src/Extensions/Filters/DateFormatExtension.php b/src/Extensions/Filters/DateFormatExtension.php
index ffce166..e4f678c 100644
--- a/src/Extensions/Filters/DateFormatExtension.php
+++ b/src/Extensions/Filters/DateFormatExtension.php
@@ -13,6 +13,9 @@
 use Twig\Extension\AbstractExtension;
 use Twig\TwigFilter;
 
+/**
+ * @deprecated will be removed in next major version, use Twig's date filter instead
+ */
 class DateFormatExtension extends AbstractExtension
 {
     public function __construct(private DateFormatHelper $dateFormatHelper)
diff --git a/tests/Integration/Extensions/IncludeContentExtensionTest.php b/tests/Integration/Extensions/IncludeContentExtensionTest.php
index d49be6c..4bef174 100644
--- a/tests/Integration/Extensions/IncludeContentExtensionTest.php
+++ b/tests/Integration/Extensions/IncludeContentExtensionTest.php
@@ -63,13 +63,13 @@ protected function setUp(): void
 
         $contentFactoryMock
             ->method('getContent')
-            ->will($this->returnValueMap([
+            ->willReturnMap([
                 ['ident', 'german', $deContentMock],
                 ['ident', 'english', $enContentMock],
                 ['ident', 'twig_code', $twigContentMock],
                 ['ident', 'dynamic_content', $dynamicContentMock],
                 ['ident', 'not_active', $notActiveContentMock]
-            ]));
+            ]);
 
         $this->extension = new IncludeContentExtension($contentFactoryMock);
     }
diff --git a/tests/Integration/TwigEngine/TemplateChain/ModulesTemplateChainTest.php b/tests/Integration/TwigEngine/TemplateChain/ModulesTemplateChainTest.php
index b06eaff..7696e47 100644
--- a/tests/Integration/TwigEngine/TemplateChain/ModulesTemplateChainTest.php
+++ b/tests/Integration/TwigEngine/TemplateChain/ModulesTemplateChainTest.php
@@ -13,10 +13,11 @@
 use OxidEsales\EshopCommunity\Tests\ContainerTrait;
 use OxidEsales\Twig\Resolver\TemplateChain\TemplateNotInChainException;
 use OxidEsales\Twig\Tests\Integration\TestingFixturesTrait;
+use PHPUnit\Framework\Attributes\RunTestsInSeparateProcesses;
 use PHPUnit\Framework\TestCase;
 use Twig\Error\LoaderError;
 
-/** @runTestsInSeparateProcesses */
+#[RunTestsInSeparateProcesses]
 final class ModulesTemplateChainTest extends TestCase
 {
     use ContainerTrait;
diff --git a/tests/Integration/TwigEngine/TemplateChainSorting/ModulesTemplateChainSortingTest.php b/tests/Integration/TwigEngine/TemplateChainSorting/ModulesTemplateChainSortingTest.php
index 7ed9c61..2668d49 100644
--- a/tests/Integration/TwigEngine/TemplateChainSorting/ModulesTemplateChainSortingTest.php
+++ b/tests/Integration/TwigEngine/TemplateChainSorting/ModulesTemplateChainSortingTest.php
@@ -15,9 +15,10 @@
 use OxidEsales\EshopCommunity\Tests\ContainerTrait;
 use OxidEsales\Twig\Tests\Integration\TestingFixturesTrait;
 use PHPUnit\Framework\Attributes\DataProvider;
+use PHPUnit\Framework\Attributes\RunTestsInSeparateProcesses;
 use PHPUnit\Framework\TestCase;
 
-/** @runTestsInSeparateProcesses */
+#[RunTestsInSeparateProcesses]
 final class ModulesTemplateChainSortingTest extends TestCase
 {
     use ContainerTrait;
diff --git a/tests/Integration/TwigEngine/ThemeInheritance/ShopTemplateDirectoryResolvingTest.php b/tests/Integration/TwigEngine/ThemeInheritance/ShopTemplateDirectoryResolvingTest.php
index 915db7e..9016fe7 100644
--- a/tests/Integration/TwigEngine/ThemeInheritance/ShopTemplateDirectoryResolvingTest.php
+++ b/tests/Integration/TwigEngine/ThemeInheritance/ShopTemplateDirectoryResolvingTest.php
@@ -12,11 +12,10 @@
 use OxidEsales\EshopCommunity\Internal\Framework\Templating\TemplateEngineInterface;
 use OxidEsales\EshopCommunity\Tests\ContainerTrait;
 use OxidEsales\Twig\Tests\Integration\TestingFixturesTrait;
+use PHPUnit\Framework\Attributes\RunTestsInSeparateProcesses;
 use PHPUnit\Framework\TestCase;
 
-/**
- * @runTestsInSeparateProcesses
- */
+#[RunTestsInSeparateProcesses]
 final class ShopTemplateDirectoryResolvingTest extends TestCase
 {
     use ContainerTrait;
diff --git a/tests/Unit/Extensions/Filters/DateFormatExtensionTest.php b/tests/Unit/Extensions/Filters/DateFormatExtensionTest.php
index b51a9fc..414a2c2 100644
--- a/tests/Unit/Extensions/Filters/DateFormatExtensionTest.php
+++ b/tests/Unit/Extensions/Filters/DateFormatExtensionTest.php
@@ -12,6 +12,7 @@
 use OxidEsales\EshopCommunity\Internal\Transition\Adapter\TemplateLogic\DateFormatHelper;
 use OxidEsales\Twig\Extensions\Filters\DateFormatExtension;
 use PHPUnit\Framework\Attributes\DataProvider;
+use PHPUnit\Framework\Attributes\IgnoreDeprecations;
 use PHPUnit\Framework\TestCase;
 
 final class DateFormatExtensionTest extends TestCase
@@ -49,6 +50,7 @@ public static function provider(): array
     }
 
     #[DataProvider('provider')]
+    #[IgnoreDeprecations]
     public function testDateFormat($string, $format, $default_date, $expectedDate): void
     {
         $actualDate = $this->dateFormatExtension->dateFormat($string, $format, $default_date);
diff --git a/tests/Unit/Loader/CmsLoaderTest.php b/tests/Unit/Loader/CmsLoaderTest.php
index f4a3536..d312f45 100644
--- a/tests/Unit/Loader/CmsLoaderTest.php
+++ b/tests/Unit/Loader/CmsLoaderTest.php
@@ -61,16 +61,14 @@ public function setUp(): void
 
         $contentFactoryMock
             ->method('getContent')
-            ->will(
-                $this->returnValueMap(
-                    [
-                        ['ident', 'valid', $validContentMock],
-                        ['oxid', 'english', $englishContentMock],
-                        ['ident', 'field', $fieldContentMock],
-                        ['oxid', 'notFresh', $notFreshContentMock],
-                        ['ident', 'notValid', $notValidContentMock]
-                    ]
-                )
+            ->willReturnMap(
+                [
+                    ['ident', 'valid', $validContentMock],
+                    ['oxid', 'english', $englishContentMock],
+                    ['ident', 'field', $fieldContentMock],
+                    ['oxid', 'notFresh', $notFreshContentMock],
+                    ['ident', 'notValid', $notValidContentMock]
+                ]
             );
 
         /** @var ContentFactory $contentFactoryMock */