diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 32742eb..4e4ee4b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,7 +17,7 @@ jobs:
     strategy:
       matrix:
         php-version:
-          - "8.1"
+          - "8.2"
 
     steps:
       - uses: "actions/checkout@v4"
@@ -40,11 +40,11 @@ jobs:
     strategy:
       matrix:
         php-version:
-          - "8.2"
+          - "8.3"
         code-coverage:
           - "none"
         include:
-          - php-version: "8.1"
+          - php-version: "8.2"
             code-coverage: "pcov"
 
     steps:
@@ -70,7 +70,7 @@ jobs:
     strategy:
       matrix:
         php-version:
-          - "8.1"
+          - "8.2"
 
     steps:
       - uses: "actions/checkout@v4"
@@ -89,7 +89,7 @@ jobs:
     strategy:
       matrix:
         php-version:
-          - "8.1"
+          - "8.2"
 
     steps:
       - uses: "actions/checkout@v4"
diff --git a/composer.json b/composer.json
index b5f4708..84b21b9 100644
--- a/composer.json
+++ b/composer.json
@@ -11,15 +11,14 @@
         }
     ],
     "require": {
-        "php": "~8.1.0 || ~8.2.0"
+        "php": "~8.2.0 || ~8.3.0"
     },
     "require-dev": {
-        "phpstan/phpstan": "^1.10.42",
+        "phpstan/phpstan": "^1.10.44",
         "phpstan/phpstan-phpunit": "^1.3.15",
         "phpstan/phpstan-strict-rules": "^1.5.2",
         "phpunit/phpunit": "^10.4.2",
-        "slam/php-cs-fixer-extensions": "^3.9",
-        "slam/php-debug-r": "^1.8.1",
+        "slam/php-cs-fixer-extensions": "^3.10",
         "symfony/console": "^6.3.8"
     },
     "autoload": {
diff --git a/tests/ErrorHandlerTest.php b/tests/ErrorHandlerTest.php
index cc305f4..b2a03c4 100644
--- a/tests/ErrorHandlerTest.php
+++ b/tests/ErrorHandlerTest.php
@@ -5,8 +5,6 @@
 namespace SlamTest\ErrorHandler;
 
 use ErrorException;
-use PHPUnit\Framework\Attributes\PreserveGlobalState;
-use PHPUnit\Framework\Attributes\RunInSeparateProcess;
 use PHPUnit\Framework\TestCase;
 use RuntimeException;
 use Slam\ErrorHandler\ErrorHandler;
@@ -74,8 +72,6 @@ public function testDefaultConfiguration(): void
         self::assertSame($memoryStream, $errorHandler->getErrorOutputStream());
     }
 
-    #[RunInSeparateProcess]
-    #[PreserveGlobalState(false)]
     public function testRegisterBuiltinHandlers(): void
     {
         $this->errorHandler->register();
@@ -87,8 +83,6 @@ public function testRegisterBuiltinHandlers(): void
         $arrayPerVerificaErrori['undefined_index'];
     }
 
-    #[RunInSeparateProcess]
-    #[PreserveGlobalState(false)]
     public function testScream(): void
     {
         $scream = [