diff --git a/.gitattributes b/.gitattributes
index fee66c5..f055917 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -15,3 +15,4 @@
 /phpunit.xml.dist       export-ignore
 /psalm.xml.dist         export-ignore
 /codecov.yml            export-ignore
+/rector.php             export-ignore
diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 9e860a5..b12023b 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -8,7 +8,7 @@ jobs:
         strategy:
             fail-fast: false
             matrix:
-                php-version: ['7.4', '8.0', '8.1']
+                php-version: ['8.1', '8.2']
 
         steps:
             - uses: actions/checkout@v2
@@ -39,12 +39,12 @@ jobs:
 
             - name: Run tests
               run: |
-                  if [[ ${{ matrix.php-version }} == '7.4' ]]; then
+                  if [[ ${{ matrix.php-version }} == '8.1' ]]; then
                       export CODECOVERAGE=1 && vendor/bin/phpunit --verbose --coverage-clover=coverage.xml
                   else
                       vendor/bin/phpunit
                   fi
 
             - name: Submit code coverage
-              if: matrix.php-version == '7.4'
+              if: matrix.php-version == '8.1'
               uses: codecov/codecov-action@v1
diff --git a/Makefile b/Makefile
index d1b2801..9074700 100644
--- a/Makefile
+++ b/Makefile
@@ -1,8 +1,8 @@
-PHP?=php7.4
+PHP?=php8.1
 COMPOSER=/usr/local/bin/composer
 
 php-info:
-	@echo "Default PHP version: $(PHP) (Run with custom PHP version: make install PHP=php8.0).\n";
+	@echo "Default PHP version: $(PHP) (Run with custom PHP version: make install PHP=php8.2).\n";
 
 list: php-info ## List
 	@sed -rn 's/^([a-zA-Z_-]+):.*?## (.*)$$/"\1" "\2"/p' < $(MAKEFILE_LIST) | xargs printf "%-20s%s\n"
@@ -31,5 +31,11 @@ code-style-fix: php-info install ## Fix code style
 psalm: php-info install ## Run Psalm check
 	$(PHP) vendor/bin/psalm --config=psalm.xml.dist --threads=4 --show-snippet=true --show-info=true
 
-.PHONY: php-info list install install-force update test test-coverage mutation-test code-style-fix psalm
+rector: php-info install ## Run Rector
+	$(PHP) vendor/bin/rector process --clear-cache --dry-run
+
+rector-fix: php-info install ## Run Rector
+	$(PHP) vendor/bin/rector process --clear-cache
+
+.PHONY: php-info list install install-force update test test-coverage mutation-test code-style-fix psalm rector rector-fix
 .DEFAULT_GOAL := list
diff --git a/composer.json b/composer.json
index afa06f5..ad93a84 100644
--- a/composer.json
+++ b/composer.json
@@ -38,7 +38,7 @@
         }
     },
     "require": {
-        "php":                     ">=7.4.0",
+        "php":                     ">=8.1.0",
         "ext-json":                "*",
         "psr/container":           "^1.1",
         "symfony/mailer":          "^5.4"
@@ -51,11 +51,12 @@
         "phpmd/phpmd":                         "^1.5",
         "sebastian/phpcpd":                    "^6.0",
         "phploc/phploc":                       "^7.0",
-        "php-parallel-lint/php-parallel-lint": "^1.3"
+        "php-parallel-lint/php-parallel-lint": "^1.3",
+        "rector/rector":                       "^1.0"
     },
     "extra": {
         "platform": {
-            "php": "7.4.*"
+            "php": "8.1.*"
         }
     },
     "config": {
diff --git a/rector.php b/rector.php
new file mode 100644
index 0000000..bf7a4d5
--- /dev/null
+++ b/rector.php
@@ -0,0 +1,30 @@
+<?php
+
+declare(strict_types=1);
+
+use Rector\CodeQuality\Rector\Class_\InlineConstructorDefaultToPropertyRector;
+use Rector\Config\RectorConfig;
+use Rector\Set\ValueObject\LevelSetList;
+//use Rector\Set\ValueObject\SetList;
+
+return static function (RectorConfig $rectorConfig): void {
+    $rectorConfig->paths([
+        __DIR__ . '/src',
+        __DIR__ . '/tests',
+    ]);
+
+    $rectorConfig->skip([]);
+
+    $rectorConfig->importNames();
+    $rectorConfig->importShortClasses(false);
+
+    // register a single rule
+    $rectorConfig->rule(InlineConstructorDefaultToPropertyRector::class);
+
+    $rectorConfig->sets([
+        LevelSetList::UP_TO_PHP_81,
+/*        SetList::PHP_81,
+        SetList::CODE_QUALITY,
+        SetList::DEAD_CODE,*/
+    ]);
+};
diff --git a/src/Build/BuildMetaWriterInterface.php b/src/Build/BuildMetaWriterInterface.php
index f02637e..4fc6899 100644
--- a/src/Build/BuildMetaWriterInterface.php
+++ b/src/Build/BuildMetaWriterInterface.php
@@ -12,13 +12,10 @@
  */
 interface BuildMetaWriterInterface
 {
-    /**
-     * @param mixed $value
-     */
     public function write(
         BuildInterface $build,
         ?string $plugin,
         string $key,
-        $value
+        mixed $value
     ): void;
 }
diff --git a/src/CommandExecutorInterface.php b/src/CommandExecutorInterface.php
index 9dcf5b6..d7eee88 100644
--- a/src/CommandExecutorInterface.php
+++ b/src/CommandExecutorInterface.php
@@ -14,10 +14,7 @@
  */
 interface CommandExecutorInterface
 {
-    /**
-     * @param mixed ...$params
-     */
-    public function executeCommand(...$params): bool;
+    public function executeCommand(mixed ...$params): bool;
 
     public function enableCommandOutput(): void;
 
diff --git a/src/ParameterBag.php b/src/ParameterBag.php
index 5facda6..7787643 100644
--- a/src/ParameterBag.php
+++ b/src/ParameterBag.php
@@ -12,11 +12,8 @@
  */
 class ParameterBag implements ParameterBagInterface, \IteratorAggregate, \Countable
 {
-    protected array $parameters;
-
-    public function __construct(array $parameters = [])
+    public function __construct(protected array $parameters = [])
     {
-        $this->parameters = $parameters;
     }
 
     /**
diff --git a/src/ParameterBagInterface.php b/src/ParameterBagInterface.php
index 0249354..a49d541 100644
--- a/src/ParameterBagInterface.php
+++ b/src/ParameterBagInterface.php
@@ -13,11 +13,9 @@
 interface ParameterBagInterface
 {
     /**
-     * @param mixed  $default
-     *
      * @return mixed|null
      */
-    public function get(string $key, $default = null);
+    public function get(string $key, mixed $default = null);
 
     public function has(string $key): bool;
 
diff --git a/src/Plugin/PathResolver.php b/src/Plugin/PathResolver.php
index 4f0ddc9..8a6e7a6 100644
--- a/src/Plugin/PathResolver.php
+++ b/src/Plugin/PathResolver.php
@@ -17,12 +17,6 @@
  */
 class PathResolver implements PathResolverInterface
 {
-    private BuildInterface $build;
-
-    private BuildLoggerInterface $buildLogger;
-
-    private VariableInterpolatorInterface $variableInterpolator;
-
     protected ParameterBag $buildSettings;
 
     private ?string $buildDirectory = null;
@@ -35,15 +29,11 @@ class PathResolver implements PathResolverInterface
     private ?array $buildIgnores = null;
 
     public function __construct(
-        BuildInterface $build,
-        BuildLoggerInterface $buildLogger,
-        VariableInterpolatorInterface $variableInterpolator,
+        private readonly BuildInterface $build,
+        private readonly BuildLoggerInterface $buildLogger,
+        private readonly VariableInterpolatorInterface $variableInterpolator,
         array $projectConfig = []
     ) {
-        $this->build                = $build;
-        $this->buildLogger          = $buildLogger;
-        $this->variableInterpolator = $variableInterpolator;
-
         $this->initBuildSettings($projectConfig);
     }
 
@@ -98,9 +88,7 @@ public function resolveIgnores(array $pluginIgnores, bool $onlyInBuildPath = tru
         if ($pluginIgnores) {
             $ignores = \array_merge(
                 $ignores,
-                \array_filter($pluginIgnores, function ($item) {
-                    return !empty($item);
-                })
+                \array_filter($pluginIgnores, fn($item) => !empty($item))
             );
         }
 
@@ -120,7 +108,7 @@ public function resolveIgnores(array $pluginIgnores, bool $onlyInBuildPath = tru
         foreach ($ignores as $index => $ignore) {
             if (
                 !$ignore ||
-                ($onlyInBuildPath && '/' === \substr($ignore, 0, 1))
+                ($onlyInBuildPath && \str_starts_with((string) $ignore, '/'))
             ) {
                 unset($ignores[$index]);
             }
@@ -134,7 +122,7 @@ public function resolveIgnores(array $pluginIgnores, bool $onlyInBuildPath = tru
     private function getRealPath(string $path, bool $isFile = false): string
     {
         $path = \rtrim(
-            \preg_replace(
+            (string) \preg_replace(
                 '#[/]{2,}#',
                 '/',
                 \str_replace(['/', '\\'], '/', $path)
@@ -231,9 +219,7 @@ private function getBuildIgnores(): array
             if ($buildSettingsIgnores) {
                 $this->buildIgnores = \array_filter(
                     $buildSettingsIgnores,
-                    function (string $item) {
-                        return !empty($item);
-                    }
+                    fn(string $item) => !empty($item)
                 );
             }
         }
diff --git a/src/Plugin/Plugin.php b/src/Plugin/Plugin.php
index a1b079a..d566919 100644
--- a/src/Plugin/Plugin.php
+++ b/src/Plugin/Plugin.php
@@ -23,26 +23,6 @@
  */
 abstract class Plugin implements PluginInterface
 {
-    protected BuildInterface $build;
-
-    protected ProjectInterface $project;
-
-    protected ApplicationInterface $application;
-
-    protected BuildLoggerInterface $buildLogger;
-
-    protected BuildErrorWriterInterface $buildErrorWriter;
-
-    protected BuildMetaWriterInterface $buildMetaWriter;
-
-    protected CommandExecutorInterface $commandExecutor;
-
-    protected VariableInterpolatorInterface $variableInterpolator;
-
-    protected PathResolverInterface $pathResolver;
-
-    protected ContainerInterface $container;
-
     protected ParameterBag $options;
 
     protected ParameterBag $buildSettings;
@@ -82,28 +62,17 @@ abstract class Plugin implements PluginInterface
      * @throws \Throwable
      */
     public function __construct(
-        BuildInterface $build,
-        ProjectInterface $project,
-        BuildLoggerInterface $buildLogger,
-        BuildErrorWriterInterface $buildErrorWriter,
-        BuildMetaWriterInterface $buildMetaWriter,
-        CommandExecutorInterface $commandExecutor,
-        VariableInterpolatorInterface $variableInterpolator,
-        PathResolverInterface $pathResolver,
-        ApplicationInterface $application,
-        ContainerInterface $container
+        protected BuildInterface $build,
+        protected ProjectInterface $project,
+        protected BuildLoggerInterface $buildLogger,
+        protected BuildErrorWriterInterface $buildErrorWriter,
+        protected BuildMetaWriterInterface $buildMetaWriter,
+        protected CommandExecutorInterface $commandExecutor,
+        protected VariableInterpolatorInterface $variableInterpolator,
+        protected PathResolverInterface $pathResolver,
+        protected ApplicationInterface $application,
+        protected ContainerInterface $container
     ) {
-        $this->build                = $build;
-        $this->project              = $project;
-        $this->buildLogger          = $buildLogger;
-        $this->buildErrorWriter     = $buildErrorWriter;
-        $this->buildMetaWriter      = $buildMetaWriter;
-        $this->commandExecutor      = $commandExecutor;
-        $this->variableInterpolator = $variableInterpolator;
-        $this->pathResolver         = $pathResolver;
-        $this->application          = $application;
-        $this->container            = $container;
-
         $this->initOptions();
         $this->initBuildSettings();
 
@@ -186,7 +155,7 @@ protected function initOptions(): void
     {
         $projectConfig = $this->project->getBuildConfig();
 
-        $pluginName         = $this->getName();
+        $pluginName         = static::getName();
         $pluginOptionsArray = [];
         if (!empty($projectConfig[$pluginName])) {
             $pluginOptionsArray = $projectConfig[$pluginName];
diff --git a/src/View/ViewInterface.php b/src/View/ViewInterface.php
index 22d0eaf..1c290cf 100644
--- a/src/View/ViewInterface.php
+++ b/src/View/ViewInterface.php
@@ -19,10 +19,7 @@ public function hasVariable(string $key): bool;
      */
     public function getVariable(string $key);
 
-    /**
-     * @param mixed $value
-     */
-    public function setVariable(string $key, $value): bool;
+    public function setVariable(string $key, mixed $value): bool;
 
     public function setVariables(array $values): bool;
 
diff --git a/tests/src/Plugin/PluginTest.php b/tests/src/Plugin/PluginTest.php
index 621e703..73dee38 100644
--- a/tests/src/Plugin/PluginTest.php
+++ b/tests/src/Plugin/PluginTest.php
@@ -174,9 +174,7 @@ public function setUp(): void
         $this->variableInterpolator = $this->createMock(VariableInterpolatorInterface::class);
         $this->variableInterpolator
             ->method('interpolate')
-            ->willReturnCallback(function ($string) {
-                return \str_replace(['%BUILD_PATH%'], $this->buildPath, $string);
-            });
+            ->willReturnCallback(fn($string) => \str_replace(['%BUILD_PATH%'], $this->buildPath, (string) $string));
 
         $this->buildLogger      = $this->createMock(BuildLoggerInterface::class);
         $this->buildErrorWriter = $this->createMock(BuildErrorWriterInterface::class);