diff --git a/.gitignore b/.gitignore
index 22f3c3f..e9da540 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,4 +7,4 @@ composer.lock
 /vendor
 
 # Tooling
-/.phpunit.result.cache
+/.phpunit.cache
diff --git a/composer.json b/composer.json
index ab9c42d..8812af0 100644
--- a/composer.json
+++ b/composer.json
@@ -17,14 +17,14 @@
         }
     ],
     "require": {
-        "php" : "^8.1",
+        "php": "^8.1",
         "ext-json": "*",
         "laravel/framework": "^10.0"
     },
     "require-dev": {
         "laravel/pint": "^1.15",
         "orchestra/testbench": "^8.0",
-        "phpunit/phpunit": "^9.5"
+        "phpunit/phpunit": "^10.0"
     },
     "autoload": {
         "psr-4": {
diff --git a/phpunit.xml.dist b/phpunit.xml.dist
index f869f5d..3b92943 100644
--- a/phpunit.xml.dist
+++ b/phpunit.xml.dist
@@ -1,22 +1,25 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<phpunit bootstrap="vendor/autoload.php"
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/10.5/phpunit.xsd"
+         bootstrap="vendor/autoload.php"
          backupGlobals="false"
-         backupStaticAttributes="false"
+         backupStaticProperties="false"
          colors="true"
-         verbose="true"
-         convertErrorsToExceptions="true"
-         convertNoticesToExceptions="true"
-         convertWarningsToExceptions="true"
+         displayDetailsOnTestsThatTriggerDeprecations="true"
+         displayDetailsOnTestsThatTriggerErrors="true"
+         displayDetailsOnTestsThatTriggerNotices="true"
+         displayDetailsOnTestsThatTriggerWarnings="true"
          processIsolation="false"
-         stopOnFailure="false">
+         stopOnFailure="false"
+         cacheDirectory=".phpunit.cache">
     <testsuites>
         <testsuite name="Test Suite">
             <directory>./tests</directory>
         </testsuite>
     </testsuites>
-    <filter>
-        <whitelist processUncoveredFilesFromWhitelist="true">
+    <source>
+        <include>
             <directory suffix=".php">./src</directory>
-        </whitelist>
-    </filter>
+        </include>
+    </source>
 </phpunit>
diff --git a/stubs/JsonSerializableStub.php b/stubs/JsonSerializableStub.php
index 04a6ffe..4b0acb7 100644
--- a/stubs/JsonSerializableStub.php
+++ b/stubs/JsonSerializableStub.php
@@ -16,7 +16,7 @@ class JsonSerializableStub implements \JsonSerializable
      *
      * @since 5.4.0
      */
-    public function jsonSerialize()
+    public function jsonSerialize(): array
     {
         return ['foo' => 'bar'];
     }
diff --git a/tests/BuilderTest.php b/tests/BuilderTest.php
index d365ceb..853ddd7 100644
--- a/tests/BuilderTest.php
+++ b/tests/BuilderTest.php
@@ -2,17 +2,16 @@
 
 namespace Swis\Laravel\JavaScriptData;
 
+use PHPUnit\Framework\Attributes\Test;
 use PHPUnit\Framework\TestCase;
 use Swis\Laravel\JavaScriptData\Stub\ArrayableStub;
 use Swis\Laravel\JavaScriptData\Stub\JsonableStub;
 use Swis\Laravel\JavaScriptData\Stub\JsonSerializableStub;
 
-class BuilderTest extends TestCase
+final class BuilderTest extends TestCase
 {
-    /**
-     * @test
-     */
-    public function itBuilds()
+    #[Test]
+    public function itBuilds(): void
     {
         $builder = new Builder();
         $javascript = $builder->build('namespace', ['foo' => 'bar']);
@@ -23,10 +22,8 @@ public function itBuilds()
         );
     }
 
-    /**
-     * @test
-     */
-    public function itBuildsANestedNamespace()
+    #[Test]
+    public function itBuildsANestedNamespace(): void
     {
         $builder = new Builder();
         $javascript = $builder->build('name.space.string', ['foo' => 'bar']);
@@ -37,10 +34,8 @@ public function itBuildsANestedNamespace()
         );
     }
 
-    /**
-     * @test
-     */
-    public function itBuildsWithExtraJsonEncodeOptions()
+    #[Test]
+    public function itBuildsWithExtraJsonEncodeOptions(): void
     {
         $builder = new Builder();
         $javascript = $builder->build('namespace', ['test' => 'tést/tëst', 'foo' => []], JSON_FORCE_OBJECT | JSON_UNESCAPED_UNICODE);
@@ -51,10 +46,8 @@ public function itBuildsWithExtraJsonEncodeOptions()
         );
     }
 
-    /**
-     * @test
-     */
-    public function itBuildsPrettyPrinted()
+    #[Test]
+    public function itBuildsPrettyPrinted(): void
     {
         $builder = new Builder();
         $javascript = $builder->build('name.space', ['foo' => 'bar'], JSON_PRETTY_PRINT);
@@ -70,10 +63,8 @@ public function itBuildsPrettyPrinted()
         );
     }
 
-    /**
-     * @test
-     */
-    public function itBuildsWithArrayableData()
+    #[Test]
+    public function itBuildsWithArrayableData(): void
     {
         $builder = new Builder();
         $javascript = $builder->build('namespace', new ArrayableStub());
@@ -84,10 +75,8 @@ public function itBuildsWithArrayableData()
         );
     }
 
-    /**
-     * @test
-     */
-    public function itBuildsWithJsonableData()
+    #[Test]
+    public function itBuildsWithJsonableData(): void
     {
         $builder = new Builder();
         $javascript = $builder->build('namespace', new JsonableStub());
@@ -98,10 +87,8 @@ public function itBuildsWithJsonableData()
         );
     }
 
-    /**
-     * @test
-     */
-    public function itBuildsWithJsonSerializableData()
+    #[Test]
+    public function itBuildsWithJsonSerializableData(): void
     {
         $builder = new Builder();
         $javascript = $builder->build('namespace', new JsonSerializableStub());
@@ -112,10 +99,8 @@ public function itBuildsWithJsonSerializableData()
         );
     }
 
-    /**
-     * @test
-     */
-    public function itThrowsWhenJsonEncodeFailed()
+    #[Test]
+    public function itThrowsWhenJsonEncodeFailed(): void
     {
         $this->expectExceptionObject(new \InvalidArgumentException('Malformed UTF-8 characters, possibly incorrectly encoded', 5));
 
diff --git a/tests/ResponseFactoryTest.php b/tests/ResponseFactoryTest.php
index d375096..e353ad8 100644
--- a/tests/ResponseFactoryTest.php
+++ b/tests/ResponseFactoryTest.php
@@ -4,19 +4,18 @@
 
 use Illuminate\Routing\ResponseFactory as IlluminateResponseFactory;
 use Orchestra\Testbench\TestCase;
+use PHPUnit\Framework\Attributes\Test;
 
-class ResponseFactoryTest extends TestCase
+final class ResponseFactoryTest extends TestCase
 {
-    /**
-     * @test
-     */
-    public function itMakesAResponse()
+    #[Test]
+    public function itMakesAResponse(): void
     {
         /** @var \Illuminate\Routing\ResponseFactory $responseFactory */
         $responseFactory = $this->app->make(IlluminateResponseFactory::class);
         /** @var \PHPUnit\Framework\MockObject\MockObject|\Swis\Laravel\JavaScriptData\Builder $builder */
         $builder = $this->getMockBuilder(Builder::class)
-            ->setMethods(['build'])
+            ->onlyMethods(['build'])
             ->getMock();
         $builder
             ->expects($this->once())
@@ -30,10 +29,8 @@ public function itMakesAResponse()
         $this->assertSame('foo bar', $response->getContent());
     }
 
-    /**
-     * @test
-     */
-    public function itMakesAResponseWithDefaultNamespace()
+    #[Test]
+    public function itMakesAResponseWithDefaultNamespace(): void
     {
         $this->app['config']->set('javascript-data-response.namespace', 'foo.bar');
 
@@ -41,7 +38,7 @@ public function itMakesAResponseWithDefaultNamespace()
         $responseFactory = $this->app->make(IlluminateResponseFactory::class);
         /** @var \PHPUnit\Framework\MockObject\MockObject|\Swis\Laravel\JavaScriptData\Builder $builder */
         $builder = $this->getMockBuilder(Builder::class)
-            ->setMethods(['build'])
+            ->onlyMethods(['build'])
             ->getMock();
         $builder
             ->expects($this->once())
@@ -52,10 +49,8 @@ public function itMakesAResponseWithDefaultNamespace()
         $factory->make('namespace');
     }
 
-    /**
-     * @test
-     */
-    public function itMakesAResponseWithPrettyPrintOption()
+    #[Test]
+    public function itMakesAResponseWithPrettyPrintOption(): void
     {
         $this->app['config']->set('javascript-data-response.pretty-print', true);
 
@@ -63,7 +58,7 @@ public function itMakesAResponseWithPrettyPrintOption()
         $responseFactory = $this->app->make(IlluminateResponseFactory::class);
         /** @var \PHPUnit\Framework\MockObject\MockObject|\Swis\Laravel\JavaScriptData\Builder $builder */
         $builder = $this->getMockBuilder(Builder::class)
-            ->setMethods(['build'])
+            ->onlyMethods(['build'])
             ->getMock();
         $builder
             ->expects($this->once())
@@ -74,16 +69,14 @@ public function itMakesAResponseWithPrettyPrintOption()
         $factory->make('namespace');
     }
 
-    /**
-     * @test
-     */
-    public function itMakesAResponseWithDefaultStatus()
+    #[Test]
+    public function itMakesAResponseWithDefaultStatus(): void
     {
         /** @var \Illuminate\Routing\ResponseFactory $responseFactory */
         $responseFactory = $this->app->make(IlluminateResponseFactory::class);
         /** @var \PHPUnit\Framework\MockObject\MockObject|\Swis\Laravel\JavaScriptData\Builder $builder */
         $builder = $this->getMockBuilder(Builder::class)
-            ->setMethods(['build'])
+            ->onlyMethods(['build'])
             ->getMock();
 
         $factory = new ResponseFactory($responseFactory, $builder);
@@ -92,16 +85,14 @@ public function itMakesAResponseWithDefaultStatus()
         $this->assertSame(200, $response->getStatusCode());
     }
 
-    /**
-     * @test
-     */
-    public function itMakesAResponseWithCustomStatus()
+    #[Test]
+    public function itMakesAResponseWithCustomStatus(): void
     {
         /** @var \Illuminate\Routing\ResponseFactory $responseFactory */
         $responseFactory = $this->app->make(IlluminateResponseFactory::class);
         /** @var \PHPUnit\Framework\MockObject\MockObject|\Swis\Laravel\JavaScriptData\Builder $builder */
         $builder = $this->getMockBuilder(Builder::class)
-            ->setMethods(['build'])
+            ->onlyMethods(['build'])
             ->getMock();
 
         $factory = new ResponseFactory($responseFactory, $builder);
@@ -110,16 +101,14 @@ public function itMakesAResponseWithCustomStatus()
         $this->assertSame(500, $response->getStatusCode());
     }
 
-    /**
-     * @test
-     */
-    public function itMakesAResponseWithDefaultHeaders()
+    #[Test]
+    public function itMakesAResponseWithDefaultHeaders(): void
     {
         /** @var \Illuminate\Routing\ResponseFactory $responseFactory */
         $responseFactory = $this->app->make(IlluminateResponseFactory::class);
         /** @var \PHPUnit\Framework\MockObject\MockObject|\Swis\Laravel\JavaScriptData\Builder $builder */
         $builder = $this->getMockBuilder(Builder::class)
-            ->setMethods(['build'])
+            ->onlyMethods(['build'])
             ->getMock();
 
         $factory = new ResponseFactory($responseFactory, $builder);
@@ -146,10 +135,8 @@ public function itMakesAResponseWithDefaultHeaders()
         $this->assertSame('application/javascript; charset=utf-8', $response->headers->get('content-type'));
     }
 
-    /**
-     * @test
-     */
-    public function itMakesAResponseWithCustomHeaders()
+    #[Test]
+    public function itMakesAResponseWithCustomHeaders(): void
     {
         $this->app['config']->set(
             'javascript-data-response.headers',
@@ -160,7 +147,7 @@ public function itMakesAResponseWithCustomHeaders()
         $responseFactory = $this->app->make(IlluminateResponseFactory::class);
         /** @var \PHPUnit\Framework\MockObject\MockObject|\Swis\Laravel\JavaScriptData\Builder $builder */
         $builder = $this->getMockBuilder(Builder::class)
-            ->setMethods(['build'])
+            ->onlyMethods(['build'])
             ->getMock();
 
         $factory = new ResponseFactory($responseFactory, $builder);
@@ -170,10 +157,8 @@ public function itMakesAResponseWithCustomHeaders()
         $this->assertSame('Bar', $response->headers->get('x-foo'));
     }
 
-    /**
-     * @test
-     */
-    public function itMakesAResponseWithDefaultOptions()
+    #[Test]
+    public function itMakesAResponseWithDefaultOptions(): void
     {
         $this->app['config']->set('javascript-data-response.json_encode-options', JSON_UNESCAPED_UNICODE);
 
@@ -181,7 +166,7 @@ public function itMakesAResponseWithDefaultOptions()
         $responseFactory = $this->app->make(IlluminateResponseFactory::class);
         /** @var \PHPUnit\Framework\MockObject\MockObject|\Swis\Laravel\JavaScriptData\Builder $builder */
         $builder = $this->getMockBuilder(Builder::class)
-            ->setMethods(['build'])
+            ->onlyMethods(['build'])
             ->getMock();
         $builder
             ->expects($this->once())
@@ -192,16 +177,14 @@ public function itMakesAResponseWithDefaultOptions()
         $factory->make('namespace');
     }
 
-    /**
-     * @test
-     */
-    public function itMakesAResponseWithCustomOptions()
+    #[Test]
+    public function itMakesAResponseWithCustomOptions(): void
     {
         /** @var \Illuminate\Routing\ResponseFactory $responseFactory */
         $responseFactory = $this->app->make(IlluminateResponseFactory::class);
         /** @var \PHPUnit\Framework\MockObject\MockObject|\Swis\Laravel\JavaScriptData\Builder $builder */
         $builder = $this->getMockBuilder(Builder::class)
-            ->setMethods(['build'])
+            ->onlyMethods(['build'])
             ->getMock();
         $builder
             ->expects($this->once())
diff --git a/tests/ResponseMacroTest.php b/tests/ResponseMacroTest.php
index 49c59a9..c554c58 100644
--- a/tests/ResponseMacroTest.php
+++ b/tests/ResponseMacroTest.php
@@ -4,8 +4,9 @@
 
 use Illuminate\Support\Facades\Response;
 use Orchestra\Testbench\TestCase;
+use PHPUnit\Framework\Attributes\Test;
 
-class ResponseMacroTest extends TestCase
+final class ResponseMacroTest extends TestCase
 {
     protected function getPackageProviders($app)
     {
@@ -17,10 +18,8 @@ protected function getEnvironmentSetUp($app)
         $app['config']->set('javascript-data-response.pretty-print', false);
     }
 
-    /**
-     * @test
-     */
-    public function itMakesAResponse()
+    #[Test]
+    public function itMakesAResponse(): void
     {
         /** @var \Illuminate\Http\Response $response */
         $response = Response::javascriptData('namespace', ['foo' => 'bar']);
diff --git a/tests/ServiceProviderTest.php b/tests/ServiceProviderTest.php
index ce10555..4c8f939 100644
--- a/tests/ServiceProviderTest.php
+++ b/tests/ServiceProviderTest.php
@@ -4,18 +4,17 @@
 
 use Illuminate\Routing\ResponseFactory;
 use Orchestra\Testbench\TestCase;
+use PHPUnit\Framework\Attributes\Test;
 
-class ServiceProviderTest extends TestCase
+final class ServiceProviderTest extends TestCase
 {
     protected function getPackageProviders($app)
     {
         return [ServiceProvider::class];
     }
 
-    /**
-     * @test
-     */
-    public function itMergesTheConfig()
+    #[Test]
+    public function itMergesTheConfig(): void
     {
         $this->assertSame(
             [
@@ -30,10 +29,8 @@ public function itMergesTheConfig()
         );
     }
 
-    /**
-     * @test
-     */
-    public function itRegistersAResponseMacro()
+    #[Test]
+    public function itRegistersAResponseMacro(): void
     {
         $this->assertTrue(ResponseFactory::hasMacro('javascriptData'));
     }