diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index f0020fd25d7..70b4ff96867 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -40,8 +40,11 @@ jobs:
       fail-fast: true
       matrix:
         php: [8.2, 8.3, 8.4]
-        phpunit: ['10.5.12', '11.3.2']
+        phpunit: ['10.5.35', '11.3.2', '12.0.0']
         stability: [prefer-lowest, prefer-stable]
+        exclude:
+          - php: 8.2
+            phpunit: '12.0.0'
 
     name: PHP ${{ matrix.php }} - PHPUnit ${{ matrix.phpunit }} - ${{ matrix.stability }}
 
diff --git a/composer.json b/composer.json
index cff176b011a..cf2c2589ce8 100644
--- a/composer.json
+++ b/composer.json
@@ -111,11 +111,11 @@
         "league/flysystem-read-only": "^3.25.1",
         "league/flysystem-sftp-v3": "^3.25.1",
         "mockery/mockery": "^1.6.10",
-        "orchestra/testbench-core": "^9.6",
+        "orchestra/testbench-core": "^9.9.4",
         "pda/pheanstalk": "^5.0.6",
         "php-http/discovery": "^1.15",
         "phpstan/phpstan": "^2.0",
-        "phpunit/phpunit": "^10.5.35|^11.3.6",
+        "phpunit/phpunit": "^10.5.35|^11.3.6|^12.0.1",
         "predis/predis": "^2.3",
         "resend/resend-php": "^0.10.0",
         "symfony/cache": "^7.0.3",
@@ -188,7 +188,7 @@
         "mockery/mockery": "Required to use mocking (^1.6).",
         "pda/pheanstalk": "Required to use the beanstalk queue driver (^5.0).",
         "php-http/discovery": "Required to use PSR-7 bridging features (^1.15).",
-        "phpunit/phpunit": "Required to use assertions and run tests (^10.5|^11.0).",
+        "phpunit/phpunit": "Required to use assertions and run tests (^10.5.35|^11.3.6|^12.0.1).",
         "predis/predis": "Required to use the predis connector (^2.3).",
         "psr/http-message": "Required to allow Storage::put to accept a StreamInterface (^1.0).",
         "pusher/pusher-php-server": "Required to use the Pusher broadcast driver (^6.0|^7.0).",
diff --git a/src/Illuminate/Foundation/Testing/Concerns/InteractsWithTestCaseLifecycle.php b/src/Illuminate/Foundation/Testing/Concerns/InteractsWithTestCaseLifecycle.php
index 95a5e51f155..fdb17c7780c 100644
--- a/src/Illuminate/Foundation/Testing/Concerns/InteractsWithTestCaseLifecycle.php
+++ b/src/Illuminate/Foundation/Testing/Concerns/InteractsWithTestCaseLifecycle.php
@@ -243,10 +243,12 @@ protected function setUpTraits()
      */
     public static function tearDownAfterClassUsingTestCase()
     {
-        (function () {
-            $this->classDocBlocks = [];
-            $this->methodDocBlocks = [];
-        })->call(PHPUnitRegistry::getInstance());
+        if (class_exists(PHPUnitRegistry::class)) {
+            (function () {
+                $this->classDocBlocks = [];
+                $this->methodDocBlocks = [];
+            })->call(PHPUnitRegistry::getInstance());
+        }
     }
 
     /**
diff --git a/src/Illuminate/Testing/composer.json b/src/Illuminate/Testing/composer.json
index 2046c34945f..f8b01f1c56b 100644
--- a/src/Illuminate/Testing/composer.json
+++ b/src/Illuminate/Testing/composer.json
@@ -37,7 +37,7 @@
         "illuminate/database": "Required to assert databases (^11.0).",
         "illuminate/http": "Required to assert responses (^11.0).",
         "mockery/mockery": "Required to use mocking (^1.6).",
-        "phpunit/phpunit": "Required to use assertions and run tests (^10.5|^11.0)."
+        "phpunit/phpunit": "Required to use assertions and run tests (^10.5.35|^11.3.6|^12.0.1)."
     },
     "config": {
         "sort-packages": true