diff --git a/.github/workflows/rector.yml b/.github/workflows/rector.yml
index 3aef723..d91db3c 100644
--- a/.github/workflows/rector.yml
+++ b/.github/workflows/rector.yml
@@ -62,5 +62,5 @@ jobs:
 
       - name: Analyze for refactoring
         run: |
-          composer global require --dev rector/rector:^0.15.0
+          composer global require --dev rector/rector:^0.15.1
           rector process --dry-run --no-progress-bar
diff --git a/.php-cs-fixer.dist.php b/.php-cs-fixer.dist.php
index ac7cd76..d5b03cb 100644
--- a/.php-cs-fixer.dist.php
+++ b/.php-cs-fixer.dist.php
@@ -10,7 +10,10 @@
         __DIR__ . '/src/',
     ])
     ->exclude('build')
-    ->append([__FILE__]);
+    ->append([
+        __FILE__,
+        __DIR__ . '/rector.php',
+    ]);
 
 $overrides = [];
 
diff --git a/composer.json b/composer.json
index e7c4e8c..2596b47 100644
--- a/composer.json
+++ b/composer.json
@@ -39,7 +39,7 @@
     "require-dev": {
         "codeigniter4/framework": "^4.1",
         "icanhazstring/composer-unused": "^0.8.2",
-        "rector/rector": "0.15.0"
+        "rector/rector": "0.15.1"
     },
     "minimum-stability": "dev",
     "prefer-stable": true,
diff --git a/rector.php b/rector.php
index 19e4b3a..356660e 100644
--- a/rector.php
+++ b/rector.php
@@ -1,6 +1,7 @@
 <?php
 
 use Rector\CodeQuality\Rector\BooleanAnd\SimplifyEmptyArrayCheckRector;
+use Rector\CodeQuality\Rector\Class_\CompleteDynamicPropertiesRector;
 use Rector\CodeQuality\Rector\Expression\InlineIfToExplicitIfRector;
 use Rector\CodeQuality\Rector\For_\ForToForeachRector;
 use Rector\CodeQuality\Rector\Foreach_\UnusedForeachValueToArrayKeysRector;
@@ -30,14 +31,22 @@
 use Rector\Php73\Rector\FuncCall\JsonThrowOnErrorRector;
 use Rector\Php73\Rector\FuncCall\StringifyStrNeedlesRector;
 use Rector\PHPUnit\Set\PHPUnitSetList;
+use Rector\Privatization\Rector\Property\PrivatizeFinalClassPropertyRector;
 use Rector\PSR4\Rector\FileWithoutNamespace\NormalizeNamespaceByPSR4ComposerAutoloadRector;
 use Rector\Set\ValueObject\LevelSetList;
 use Rector\Set\ValueObject\SetList;
 use Rector\TypeDeclaration\Rector\Property\TypedPropertyFromAssignsRector;
 
 return static function (RectorConfig $rectorConfig): void {
-    $rectorConfig->sets([SetList::DEAD_CODE, LevelSetList::UP_TO_PHP_74, PHPUnitSetList::PHPUNIT_SPECIFIC_METHOD, PHPUnitSetList::PHPUNIT_80]);
+    $rectorConfig->sets([
+        SetList::DEAD_CODE,
+        LevelSetList::UP_TO_PHP_74,
+        PHPUnitSetList::PHPUNIT_SPECIFIC_METHOD,
+        PHPUnitSetList::PHPUNIT_100,
+    ]);
+
     $rectorConfig->parallel();
+
     // The paths to refactor (can also be supplied with CLI arguments)
     $rectorConfig->paths([
         __DIR__ . '/src/',
@@ -78,7 +87,7 @@
             __DIR__ . '/tests',
         ],
 
-        // Ignore files that should not be namespaced
+        // Ignore files that should not be namespaced to their folder
         NormalizeNamespaceByPSR4ComposerAutoloadRector::class => [
             __DIR__ . '/src/Helpers',
         ],
@@ -89,6 +98,10 @@
         // May be uninitialized on purpose
         AddDefaultValueForUndefinedVariableRector::class,
     ]);
+
+    // auto import fully qualified class names
+    $rectorConfig->importNames();
+
     $rectorConfig->rule(SimplifyUselessVariableRector::class);
     $rectorConfig->rule(RemoveAlwaysElseRector::class);
     $rectorConfig->rule(CountArrayToEmptyArrayComparisonRector::class);
@@ -116,4 +129,7 @@
             // Set to false if you use in libraries, or it does create breaking changes.
             TypedPropertyFromAssignsRector::INLINE_PUBLIC => true,
         ]);
+    $rectorConfig->rule(StringClassNameToClassConstantRector::class);
+    $rectorConfig->rule(PrivatizeFinalClassPropertyRector::class);
+    $rectorConfig->rule(CompleteDynamicPropertiesRector::class);
 };
diff --git a/src/Template/.github/workflows/rector.yml b/src/Template/.github/workflows/rector.yml
index b15bfcb..d91db3c 100644
--- a/src/Template/.github/workflows/rector.yml
+++ b/src/Template/.github/workflows/rector.yml
@@ -62,5 +62,5 @@ jobs:
 
       - name: Analyze for refactoring
         run: |
-          composer global require --dev rector/rector:^0.14
+          composer global require --dev rector/rector:^0.15.1
           rector process --dry-run --no-progress-bar
diff --git a/src/Template/rector.php b/src/Template/rector.php
index e11a68b..3c85e50 100644
--- a/src/Template/rector.php
+++ b/src/Template/rector.php
@@ -1,6 +1,7 @@
 <?php
 
 use Rector\CodeQuality\Rector\BooleanAnd\SimplifyEmptyArrayCheckRector;
+use Rector\CodeQuality\Rector\Class_\CompleteDynamicPropertiesRector;
 use Rector\CodeQuality\Rector\Expression\InlineIfToExplicitIfRector;
 use Rector\CodeQuality\Rector\For_\ForToForeachRector;
 use Rector\CodeQuality\Rector\Foreach_\UnusedForeachValueToArrayKeysRector;
@@ -29,16 +30,23 @@
 use Rector\Php56\Rector\FunctionLike\AddDefaultValueForUndefinedVariableRector;
 use Rector\Php73\Rector\FuncCall\JsonThrowOnErrorRector;
 use Rector\Php73\Rector\FuncCall\StringifyStrNeedlesRector;
-use Rector\PHPUnit\Set\PHPUnitLevelSetList;
 use Rector\PHPUnit\Set\PHPUnitSetList;
+use Rector\Privatization\Rector\Property\PrivatizeFinalClassPropertyRector;
 use Rector\PSR4\Rector\FileWithoutNamespace\NormalizeNamespaceByPSR4ComposerAutoloadRector;
 use Rector\Set\ValueObject\LevelSetList;
 use Rector\Set\ValueObject\SetList;
 use Rector\TypeDeclaration\Rector\Property\TypedPropertyFromAssignsRector;
 
 return static function (RectorConfig $rectorConfig): void {
-    $rectorConfig->sets([SetList::DEAD_CODE, LevelSetList::UP_TO_PHP_74, PHPUnitSetList::PHPUNIT_SPECIFIC_METHOD, PHPUnitLevelSetList::UP_TO_PHPUNIT_100]);
+    $rectorConfig->sets([
+        SetList::DEAD_CODE,
+        LevelSetList::UP_TO_PHP_74,
+        PHPUnitSetList::PHPUNIT_SPECIFIC_METHOD,
+        PHPUnitSetList::PHPUNIT_100,
+    ]);
+
     $rectorConfig->parallel();
+
     // The paths to refactor (can also be supplied with CLI arguments)
     $rectorConfig->paths([
         __DIR__ . '/app/',
@@ -80,7 +88,7 @@
             __DIR__ . '/tests',
         ],
 
-        // Ignore files that should not be namespaced
+        // Ignore files that should not be namespaced to their folder
         NormalizeNamespaceByPSR4ComposerAutoloadRector::class => [
             __DIR__ . '/app/Helpers',
         ],
@@ -91,6 +99,10 @@
         // May be uninitialized on purpose
         AddDefaultValueForUndefinedVariableRector::class,
     ]);
+
+    // auto import fully qualified class names
+    $rectorConfig->importNames();
+
     $rectorConfig->rule(SimplifyUselessVariableRector::class);
     $rectorConfig->rule(RemoveAlwaysElseRector::class);
     $rectorConfig->rule(CountArrayToEmptyArrayComparisonRector::class);
@@ -118,4 +130,7 @@
             // Set to false if you use in libraries, or it does create breaking changes.
             TypedPropertyFromAssignsRector::INLINE_PUBLIC => true,
         ]);
+    $rectorConfig->rule(StringClassNameToClassConstantRector::class);
+    $rectorConfig->rule(PrivatizeFinalClassPropertyRector::class);
+    $rectorConfig->rule(CompleteDynamicPropertiesRector::class);
 };