diff --git a/.github/workflows/test-php.yml b/.github/workflows/test-php.yml
index 617d21b..59ace54 100644
--- a/.github/workflows/test-php.yml
+++ b/.github/workflows/test-php.yml
@@ -23,6 +23,7 @@ jobs:
     strategy:
       matrix:
         php-versions: ['8.2', '8.3', '8.4', '8.5']
+        phpcs-versions: ['3', '4']
 
     steps:
       - name: Checkout code
@@ -46,6 +47,13 @@ jobs:
           if [ "${{ matrix.php-versions }}" == "8.2" ]; then
             composer require --dev phpunit/phpunit:^11 --no-update
           fi
+          if [ "${{ matrix.phpcs-versions }}" == "3" ]; then
+            composer require squizlabs/php_codesniffer:^3.10 --no-update --with-all-dependencies
+            composer require --dev drupal/coder:^8.3 --no-update --with-all-dependencies
+          elif [ "${{ matrix.phpcs-versions }}" == "4" ]; then
+            composer require squizlabs/php_codesniffer:^4 --no-update --with-all-dependencies
+            composer require --dev drupal/coder:^9@alpha --no-update --with-all-dependencies
+          fi
           composer install ${{ matrix.php-versions == '8.5' && '--ignore-platform-reqs' || '' }}
 
       - name: Validate composer.json
@@ -70,7 +78,7 @@ jobs:
         uses: actions/upload-artifact@v5
         if: ${{ matrix.php-versions != '8.2' }}
         with:
-          name: ${{github.job}}-code-coverage-report-${{ matrix.php-versions }}
+          name: ${{github.job}}-code-coverage-report-php${{ matrix.php-versions }}-phpcs${{ matrix.phpcs-versions }}
           path: .logs
           include-hidden-files: true
           if-no-files-found: error
diff --git a/composer.json b/composer.json
index 8fd378d..1c09a2b 100644
--- a/composer.json
+++ b/composer.json
@@ -19,11 +19,11 @@
     "require": {
         "php": ">=8.2",
         "dealerdirect/phpcodesniffer-composer-installer": "^1",
-        "squizlabs/php_codesniffer": "^3.10"
+        "squizlabs/php_codesniffer": "^3.10 || ^4"
     },
     "require-dev": {
         "alexskrypnyk/phpunit-helpers": "^0.13.0",
-        "drupal/coder": "^8.3",
+        "drupal/coder": "^8.3 || ^9@alpha",
         "ergebnis/composer-normalize": "^2.42",
         "phpstan/phpstan": "^2",
         "phpunit/phpunit": "^12",
diff --git a/tests/Functional/FunctionalTestCase.php b/tests/Functional/FunctionalTestCase.php
index e7ad36a..dab5f6c 100644
--- a/tests/Functional/FunctionalTestCase.php
+++ b/tests/Functional/FunctionalTestCase.php
@@ -68,7 +68,7 @@ protected function runPhpcs(string $file_path, array $expected_violations = []):
     // Run phpcs using ProcessTrait.
     $this->processRun(
       $phpcs_bin,
-      ['--standard=DrevOps', '--report=json', $file_path],
+      ['--standard=DrevOps', '--report=json', '-q', $file_path],
       timeout: 120
     );