diff --git a/.github/workflows/coding_style_checks.yml b/.github/workflows/coding_style_checks.yml
index 853bf61..bf8cd60 100644
--- a/.github/workflows/coding_style_checks.yml
+++ b/.github/workflows/coding_style_checks.yml
@@ -8,7 +8,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Run Coding Style Checks
-        run: docker run --rm -v "$(pwd):/project" -w /project -i jakzal/phpqa:php8.2 php-cs-fixer fix --dry-run
+        run: docker run -q --rm -v "$(pwd):/project" -w /project -i jakzal/phpqa:php8.2 php-cs-fixer fix --dry-run
diff --git a/.github/workflows/syntax_checks.yml b/.github/workflows/syntax_checks.yml
index 160e20a..586370b 100644
--- a/.github/workflows/syntax_checks.yml
+++ b/.github/workflows/syntax_checks.yml
@@ -8,14 +8,14 @@ jobs:
     strategy:
       fail-fast: true
       matrix:
-        php: ["8.0", "8.1", "8.2"]
+        php: ["8.0", "8.1", "8.2", "8.3"]
 
     name: Syntax Checks Under PHP ${{ matrix.php }}
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Run Syntax Checks
         run: |
-          docker run --rm -v "$(pwd):/project" -w /project -i jakzal/phpqa:php${{ matrix.php }} phplint src
+          docker run -q --rm -v "$(pwd):/project" -w /project -i jakzal/phpqa:php${{ matrix.php }} phplint src
diff --git a/.gitignore b/.gitignore
index 6765ea3..87fe088 100644
--- a/.gitignore
+++ b/.gitignore
@@ -13,6 +13,7 @@
 .DS_Store
 
 # Ignore files created by GitLab Actions
+/.phplint.cache
 /.phplint-cache
 
 # Ignore Composer files
diff --git a/.php-cs-fixer.dist.php b/.php-cs-fixer.dist.php
index 87bbf0a..6fa7fa6 100644
--- a/.php-cs-fixer.dist.php
+++ b/.php-cs-fixer.dist.php
@@ -44,6 +44,7 @@
         'phpdoc_summary'                                   => false,
         'ordered_class_elements'                           => true,
         'ordered_imports'                                  => ['imports_order' => ['class', 'function', 'const'], 'sort_algorithm' => 'alpha'],
+        'ordered_types'                                    => ['null_adjustment' => 'always_last', 'sort_algorithm' => 'none'],
         'single_line_comment_style'                        => ['comment_types' => []],
         'single_line_comment_spacing'                      => false,
         'single_line_empty_body'                           => false,