diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 8b4c862..42249e1 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -140,9 +140,6 @@ jobs:
       - name: PHPUnit configuration file
         run: xmllint --schema vendor/phpunit/phpunit/phpunit.xsd --noout phpunit.xml.dist
 
-      - name: PHPCodeSniffer configuration file
-        run: xmllint --schema vendor/squizlabs/php_codesniffer/phpcs.xsd --noout phpcs.xml.dist
-
       - name: Fetch schema for xliff
         run: wget https://docs.oasis-open.org/xliff/v1.2/os/xliff-core-1.2-strict.xsd --output-document=.Build/xliff-core-1.2-strict.xsd
 
@@ -151,8 +148,6 @@ jobs:
 
   coding-guideline:
     runs-on: ubuntu-latest
-    needs:
-      - xml-linting
     steps:
       - uses: actions/checkout@v2
 
@@ -177,7 +172,7 @@ jobs:
         run: composer install --prefer-dist --no-progress --no-suggest
 
       - name: Coding Guideline
-        run: ./vendor/bin/phpcs
+        run: ./vendor/bin/ecs check
 
   tests-sqlite-TYPO3-v10:
     runs-on: ubuntu-latest
diff --git a/Classes/Dashboard/Provider/NewestPageviews.php b/Classes/Dashboard/Provider/NewestPageviews.php
index 53c4e75..30d3821 100644
--- a/Classes/Dashboard/Provider/NewestPageviews.php
+++ b/Classes/Dashboard/Provider/NewestPageviews.php
@@ -92,7 +92,7 @@ class NewestPageviews implements ListDataProviderInterface
             ->setMaxResults($this->maxResults);
 
         if ($constraints !== []) {
-            $this->queryBuilder->where(... $constraints);
+            $this->queryBuilder->where(...$constraints);
         }
 
         $items = $this->queryBuilder->execute()->fetchAll();
diff --git a/Classes/Dashboard/Provider/PageviewsPerDay.php b/Classes/Dashboard/Provider/PageviewsPerDay.php
index 3c88edc..f83c648 100644
--- a/Classes/Dashboard/Provider/PageviewsPerDay.php
+++ b/Classes/Dashboard/Provider/PageviewsPerDay.php
@@ -103,7 +103,7 @@ class PageviewsPerDay implements ChartDataProviderInterface
         for ($daysBefore = $this->days; $daysBefore >= 0; $daysBefore--) {
             $timeForLabel = (int) strtotime('-' . $daysBefore . ' day');
             $startPeriod = (int) strtotime('-' . $daysBefore . ' day 0:00:00');
-            $endPeriod =  (int) strtotime('-' . $daysBefore . ' day 23:59:59');
+            $endPeriod = (int) strtotime('-' . $daysBefore . ' day 23:59:59');
 
             $labels[] = date($this->dateFormat, $timeForLabel);
             $data[] = $this->getPageviewsInPeriod($startPeriod, $endPeriod);
@@ -145,7 +145,7 @@ class PageviewsPerDay implements ChartDataProviderInterface
         return (int)$this->queryBuilder
             ->count('*')
             ->from('tx_tracking_pageview')
-            ->where(... $constraints)
+            ->where(...$constraints)
             ->execute()
             ->fetchColumn();
     }
diff --git a/Classes/Dashboard/Provider/PageviewsPerOperatingSystem.php b/Classes/Dashboard/Provider/PageviewsPerOperatingSystem.php
index 9a474df..9c6c6d6 100644
--- a/Classes/Dashboard/Provider/PageviewsPerOperatingSystem.php
+++ b/Classes/Dashboard/Provider/PageviewsPerOperatingSystem.php
@@ -105,7 +105,7 @@ class PageviewsPerOperatingSystem implements ChartDataProviderInterface
             ->selectLiteral('count(operating_system) as total')
             ->addSelect('operating_system')
             ->from('tx_tracking_pageview')
-            ->where(... $constraints)
+            ->where(...$constraints)
             ->groupBy('tx_tracking_pageview.operating_system')
             ->orderBy('total', 'desc')
             ->addOrderBy('operating_system', 'asc')
diff --git a/Classes/Dashboard/Provider/PageviewsPerPage.php b/Classes/Dashboard/Provider/PageviewsPerPage.php
index e1dc9c3..aa8377d 100644
--- a/Classes/Dashboard/Provider/PageviewsPerPage.php
+++ b/Classes/Dashboard/Provider/PageviewsPerPage.php
@@ -131,7 +131,7 @@ class PageviewsPerPage implements ChartDataProviderInterface
             )
             ->addSelect('pid')
             ->from('tx_tracking_pageview')
-            ->where(... $constraints)
+            ->where(...$constraints)
             ->groupBy('pid')
             ->orderBy('total', 'desc')
             ->addOrderBy('latest', 'desc')
diff --git a/Classes/Dashboard/Provider/Recordviews.php b/Classes/Dashboard/Provider/Recordviews.php
index 34e4324..92af663 100644
--- a/Classes/Dashboard/Provider/Recordviews.php
+++ b/Classes/Dashboard/Provider/Recordviews.php
@@ -193,7 +193,7 @@ class Recordviews implements ChartDataProviderInterface
             )
             ->addSelect('record_uid', 'record_table_name')
             ->from('tx_tracking_recordview')
-            ->where(... $constraints)
+            ->where(...$constraints)
             ->groupBy('record', 'record_uid', 'record_table_name')
             ->orderBy('total', 'desc')
             ->addOrderBy('latest', 'desc')
diff --git a/Tests/Functional/Dashboard/Provider/PageviewsPerPageTest.php b/Tests/Functional/Dashboard/Provider/PageviewsPerPageTest.php
index abaf8ae..bdec086 100644
--- a/Tests/Functional/Dashboard/Provider/PageviewsPerPageTest.php
+++ b/Tests/Functional/Dashboard/Provider/PageviewsPerPageTest.php
@@ -189,7 +189,7 @@ class PageviewsPerPageTest extends TestCase
             GeneralUtility::makeInstance(PageRepository::class),
             31,
             6,
-            [1,2,3,4,5,6]
+            [1, 2, 3, 4, 5, 6]
         );
 
         $result = $subject->getChartData();
diff --git a/Tests/Functional/Dashboard/Provider/RecordviewsTest.php b/Tests/Functional/Dashboard/Provider/RecordviewsTest.php
index 1dfb91e..b85777d 100644
--- a/Tests/Functional/Dashboard/Provider/RecordviewsTest.php
+++ b/Tests/Functional/Dashboard/Provider/RecordviewsTest.php
@@ -229,7 +229,7 @@ class RecordviewsTest extends TestCase
             $connectionPool->getQueryBuilderForTable('tx_tracking_recordview'),
             31,
             6,
-            [1,2,3,4,5]
+            [1, 2, 3, 4, 5]
         );
 
         $result = $subject->getChartData();
@@ -320,7 +320,7 @@ class RecordviewsTest extends TestCase
             [],
             [],
             [],
-            ['1',2]
+            ['1', 2]
         );
 
         $result = $subject->getChartData();
diff --git a/Tests/Unit/Domain/Model/ExtractorTest.php b/Tests/Unit/Domain/Model/ExtractorTest.php
index 2ae13ca..740330e 100644
--- a/Tests/Unit/Domain/Model/ExtractorTest.php
+++ b/Tests/Unit/Domain/Model/ExtractorTest.php
@@ -23,8 +23,8 @@ namespace DanielSiepmann\Tracking\Tests\Unit\Domain\Model;
 
 use DanielSiepmann\Tracking\Domain\Model\Extractor;
 use DanielSiepmann\Tracking\Domain\Model\HasUserAgent;
-use TYPO3\TestingFramework\Core\Unit\UnitTestCase as TestCase;
 use Prophecy\PhpUnit\ProphecyTrait;
+use TYPO3\TestingFramework\Core\Unit\UnitTestCase as TestCase;
 
 /**
  * @covers DanielSiepmann\Tracking\Domain\Model\Extractor
diff --git a/Tests/Unit/Domain/Model/PageviewTest.php b/Tests/Unit/Domain/Model/PageviewTest.php
index 0b07929..780973d 100644
--- a/Tests/Unit/Domain/Model/PageviewTest.php
+++ b/Tests/Unit/Domain/Model/PageviewTest.php
@@ -22,9 +22,9 @@ namespace DanielSiepmann\Tracking\Tests\Unit\Domain\Model;
  */
 
 use DanielSiepmann\Tracking\Domain\Model\Pageview;
-use TYPO3\TestingFramework\Core\Unit\UnitTestCase as TestCase;
 use Prophecy\PhpUnit\ProphecyTrait;
 use TYPO3\CMS\Core\Site\Entity\SiteLanguage;
+use TYPO3\TestingFramework\Core\Unit\UnitTestCase as TestCase;
 
 /**
  * @covers DanielSiepmann\Tracking\Domain\Model\Pageview
diff --git a/Tests/Unit/Domain/Model/RecordviewTest.php b/Tests/Unit/Domain/Model/RecordviewTest.php
index 465ea18..20e0850 100644
--- a/Tests/Unit/Domain/Model/RecordviewTest.php
+++ b/Tests/Unit/Domain/Model/RecordviewTest.php
@@ -22,9 +22,9 @@ namespace DanielSiepmann\Tracking\Tests\Unit\Domain\Model;
  */
 
 use DanielSiepmann\Tracking\Domain\Model\Recordview;
-use TYPO3\TestingFramework\Core\Unit\UnitTestCase as TestCase;
 use Prophecy\PhpUnit\ProphecyTrait;
 use TYPO3\CMS\Core\Site\Entity\SiteLanguage;
+use TYPO3\TestingFramework\Core\Unit\UnitTestCase as TestCase;
 
 /**
  * @covers DanielSiepmann\Tracking\Domain\Model\Recordview
diff --git a/Tests/Unit/Domain/Pageview/FactoryTest.php b/Tests/Unit/Domain/Pageview/FactoryTest.php
index df5701d..e84ea5e 100644
--- a/Tests/Unit/Domain/Pageview/FactoryTest.php
+++ b/Tests/Unit/Domain/Pageview/FactoryTest.php
@@ -23,7 +23,6 @@ namespace DanielSiepmann\Tracking\Tests\Unit\Domain\Pageview;
 
 use DanielSiepmann\Tracking\Domain\Model\Pageview;
 use DanielSiepmann\Tracking\Domain\Pageview\Factory;
-use TYPO3\TestingFramework\Core\Unit\UnitTestCase as TestCase;
 use Prophecy\PhpUnit\ProphecyTrait;
 use Prophecy\Prophet;
 use Psr\Http\Message\ServerRequestInterface;
@@ -31,6 +30,7 @@ use TYPO3\CMS\Core\Routing\PageArguments;
 use TYPO3\CMS\Core\Site\Entity\Site;
 use TYPO3\CMS\Core\Site\Entity\SiteLanguage;
 use TYPO3\CMS\Core\Site\SiteFinder;
+use TYPO3\TestingFramework\Core\Unit\UnitTestCase as TestCase;
 
 /**
  * @covers DanielSiepmann\Tracking\Domain\Pageview\Factory
diff --git a/Tests/Unit/Domain/Repository/PageviewTest.php b/Tests/Unit/Domain/Repository/PageviewTest.php
index 0bab2b5..7b4f844 100644
--- a/Tests/Unit/Domain/Repository/PageviewTest.php
+++ b/Tests/Unit/Domain/Repository/PageviewTest.php
@@ -25,11 +25,11 @@ use DanielSiepmann\Tracking\Domain\Model\Pageview as Model;
 use DanielSiepmann\Tracking\Domain\Pageview\Factory;
 use DanielSiepmann\Tracking\Domain\Repository\Pageview;
 use Doctrine\DBAL\Statement;
-use TYPO3\TestingFramework\Core\Unit\UnitTestCase as TestCase;
 use Prophecy\PhpUnit\ProphecyTrait;
 use TYPO3\CMS\Core\Database\Connection;
 use TYPO3\CMS\Core\Database\Query\QueryBuilder;
 use TYPO3\CMS\Core\Site\Entity\SiteLanguage;
+use TYPO3\TestingFramework\Core\Unit\UnitTestCase as TestCase;
 
 /**
  * @covers DanielSiepmann\Tracking\Domain\Repository\Pageview
diff --git a/Tests/Unit/Domain/Repository/RecordviewTest.php b/Tests/Unit/Domain/Repository/RecordviewTest.php
index 05e3f35..2e57035 100644
--- a/Tests/Unit/Domain/Repository/RecordviewTest.php
+++ b/Tests/Unit/Domain/Repository/RecordviewTest.php
@@ -23,10 +23,10 @@ namespace DanielSiepmann\Tracking\Tests\Unit\Domain\Repository;
 
 use DanielSiepmann\Tracking\Domain\Model\Recordview as Model;
 use DanielSiepmann\Tracking\Domain\Repository\Recordview;
-use TYPO3\TestingFramework\Core\Unit\UnitTestCase as TestCase;
 use Prophecy\PhpUnit\ProphecyTrait;
 use TYPO3\CMS\Core\Database\Connection;
 use TYPO3\CMS\Core\Site\Entity\SiteLanguage;
+use TYPO3\TestingFramework\Core\Unit\UnitTestCase as TestCase;
 
 /**
  * @covers DanielSiepmann\Tracking\Domain\Repository\Recordview
diff --git a/Tests/Unit/Middleware/PageviewTest.php b/Tests/Unit/Middleware/PageviewTest.php
index d094fca..b4dc388 100644
--- a/Tests/Unit/Middleware/PageviewTest.php
+++ b/Tests/Unit/Middleware/PageviewTest.php
@@ -24,7 +24,6 @@ namespace DanielSiepmann\Tracking\Tests\Unit\Middleware;
 use DanielSiepmann\Tracking\Domain\Model\Pageview as Model;
 use DanielSiepmann\Tracking\Domain\Repository\Pageview as Repository;
 use DanielSiepmann\Tracking\Middleware\Pageview;
-use TYPO3\TestingFramework\Core\Unit\UnitTestCase as TestCase;
 use Prophecy\Argument;
 use Prophecy\PhpUnit\ProphecyTrait;
 use Psr\Http\Message\ResponseInterface;
@@ -33,6 +32,7 @@ use Psr\Http\Server\RequestHandlerInterface;
 use TYPO3\CMS\Core\Context\Context;
 use TYPO3\CMS\Core\Routing\PageArguments;
 use TYPO3\CMS\Core\Site\Entity\SiteLanguage;
+use TYPO3\TestingFramework\Core\Unit\UnitTestCase as TestCase;
 
 /**
  * @covers DanielSiepmann\Tracking\Middleware\Pageview
diff --git a/Tests/Unit/Middleware/RecordviewTest.php b/Tests/Unit/Middleware/RecordviewTest.php
index d88a564..3b00197 100644
--- a/Tests/Unit/Middleware/RecordviewTest.php
+++ b/Tests/Unit/Middleware/RecordviewTest.php
@@ -24,7 +24,6 @@ namespace DanielSiepmann\Tracking\Tests\Unit\Middleware;
 use DanielSiepmann\Tracking\Domain\Model\Recordview as Model;
 use DanielSiepmann\Tracking\Domain\Repository\Recordview as Repository;
 use DanielSiepmann\Tracking\Middleware\Recordview;
-use TYPO3\TestingFramework\Core\Unit\UnitTestCase as TestCase;
 use Prophecy\Argument;
 use Prophecy\PhpUnit\ProphecyTrait;
 use Psr\Http\Message\ResponseInterface;
@@ -33,6 +32,7 @@ use Psr\Http\Server\RequestHandlerInterface;
 use TYPO3\CMS\Core\Context\Context;
 use TYPO3\CMS\Core\Routing\PageArguments;
 use TYPO3\CMS\Core\Site\Entity\SiteLanguage;
+use TYPO3\TestingFramework\Core\Unit\UnitTestCase as TestCase;
 
 /**
  * @covers DanielSiepmann\Tracking\Middleware\Recordview
diff --git a/composer.json b/composer.json
index 1d802b8..16a96f7 100644
--- a/composer.json
+++ b/composer.json
@@ -39,7 +39,6 @@
         "typo3/cms-dashboard": "^10.4 || ~11.2"
     },
     "require-dev": {
-        "squizlabs/php_codesniffer": "^3.5",
         "phpunit/phpunit": "^9.0",
         "phpstan/phpstan": "^0.12.18",
         "phpstan/extension-installer": "^1.0",
@@ -47,7 +46,8 @@
         "maglnet/composer-require-checker": "^3.2",
         "phpspec/prophecy-phpunit": "^2.0",
         "typo3/testing-framework": "^6.8.2",
-        "saschaegerer/phpstan-typo3": "^0.13.1"
+        "saschaegerer/phpstan-typo3": "^0.13.1",
+        "symplify/easy-coding-standard": "^9.3"
     },
     "minimum-stability": "dev",
     "prefer-stable": true,
diff --git a/dependency-checker.json b/dependency-checker.json
index fe1a5d9..c1b550b 100644
--- a/dependency-checker.json
+++ b/dependency-checker.json
@@ -1,6 +1,6 @@
 {
     "scan-files": [
-        "*.php",
+        "ext_*.php",
         "Configuration/*php",
         "Configuration/Backend/*.php",
         "Configuration/TCA/*.php"
diff --git a/ecs.php b/ecs.php
new file mode 100644
index 0000000..7db1b34
--- /dev/null
+++ b/ecs.php
@@ -0,0 +1,16 @@
+<?php
+
+use Symfony\Component\DependencyInjection\Loader\Configurator\ContainerConfigurator;
+use Symplify\EasyCodingStandard\ValueObject\Option;
+use Symplify\EasyCodingStandard\ValueObject\Set\SetList;
+
+return static function (ContainerConfigurator $containerConfigurator): void {
+    $containerConfigurator->import(SetList::PSR_12);
+
+    $parameters = $containerConfigurator->parameters();
+
+    $parameters->set(Option::PATHS, [
+        __DIR__ . '/Classes',
+        __DIR__ . '/Tests',
+    ]);
+};