diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 8b94bbe..d62b4a1 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -1,5 +1,5 @@
 name: HTMLMinTests
-on: [push, pull_request]
+on: [push]
 jobs:
   htmlmin:
     name: PHP ${{ matrix.php-versions }}
@@ -33,4 +33,3 @@ jobs:
       env:
         PHP_VERSION: ${{ matrix.php-versions }}
       run: vendor/bin/phpunit --coverage-clover build/logs/clover.xml
-      continue-on-error: true
diff --git a/.gitignore b/.gitignore
index e39e94f..0d83a6a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,5 @@
 composer.lock
 phpunit.xml
 vendor
-/.idea
\ No newline at end of file
+/.idea
+/.phpunit.cache
\ No newline at end of file
diff --git a/phpunit.xml.dist b/phpunit.xml.dist
index bd51815..57c3b36 100644
--- a/phpunit.xml.dist
+++ b/phpunit.xml.dist
@@ -1,30 +1,13 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd"
-         backupGlobals="false"
-         backupStaticAttributes="false"
-         beStrictAboutTestsThatDoNotTestAnything="true"
-         beStrictAboutOutputDuringTests="true"
-         bootstrap="vendor/autoload.php"
-         colors="true"
-         convertErrorsToExceptions="true"
-         convertNoticesToExceptions="true"
-         convertWarningsToExceptions="true"
-         failOnRisky="true"
-         failOnWarning="true"
-         processIsolation="false"
-         stopOnError="false"
-         stopOnFailure="false"
-         verbose="true"
->
-    <testsuites>
-        <testsuite name="Laravel HTMLMin Test Suite">
-            <directory suffix="Test.php">./tests</directory>
-        </testsuite>
-    </testsuites>
-    <coverage processUncoveredFiles="true">
-        <include>
-            <directory suffix=".php">./src</directory>
-        </include>
-    </coverage>
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/11.5/phpunit.xsd" backupGlobals="false" beStrictAboutTestsThatDoNotTestAnything="true" beStrictAboutOutputDuringTests="true" bootstrap="vendor/autoload.php" colors="true" failOnRisky="true" failOnWarning="true" processIsolation="false" stopOnError="false" stopOnFailure="false" cacheDirectory=".phpunit.cache" backupStaticProperties="false">
+  <testsuites>
+    <testsuite name="Laravel HTMLMin Test Suite">
+      <directory suffix="Test.php">./tests</directory>
+    </testsuite>
+  </testsuites>
+  <source>
+    <include>
+      <directory suffix=".php">./src</directory>
+    </include>
+  </source>
 </phpunit>
diff --git a/src/HTMLMinServiceProvider.php b/src/HTMLMinServiceProvider.php
index 7eed413..5aa38a1 100644
--- a/src/HTMLMinServiceProvider.php
+++ b/src/HTMLMinServiceProvider.php
@@ -184,7 +184,7 @@ protected function registerMinifyCompiler()
             $storagePath = $app->config->get('view.compiled');
             $ignoredPaths = $app->config->get('htmlmin.ignore', []);
 
-            return new MinifyCompiler($blade, $files, $storagePath, $ignoredPaths, $this->previousCompiler, $this->previousCompiler->getCustomDirectives());
+            return new MinifyCompiler($blade, $files, $storagePath, $ignoredPaths, $this->previousCompiler, $this->previousCompiler?->getCustomDirectives() ?? []);
         });
 
         $this->app->alias('htmlmin.compiler', MinifyCompiler::class);
diff --git a/tests/AbstractTestCase.php b/tests/AbstractTestCase.php
index cd75a82..d9966a2 100644
--- a/tests/AbstractTestCase.php
+++ b/tests/AbstractTestCase.php
@@ -22,14 +22,7 @@
  */
 abstract class AbstractTestCase extends AbstractPackageTestCase
 {
-    /**
-     * Get the service provider class.
-     *
-     * @param \Illuminate\Contracts\Foundation\Application $app
-     *
-     * @return string
-     */
-    protected function getServiceProviderClass()
+    protected static function getServiceProviderClass(): string
     {
         return HTMLMinServiceProvider::class;
     }
diff --git a/tests/Compilers/MinifyCompilerTest.php b/tests/Compilers/MinifyCompilerTest.php
index afd9a99..420a6fc 100644
--- a/tests/Compilers/MinifyCompilerTest.php
+++ b/tests/Compilers/MinifyCompilerTest.php
@@ -23,9 +23,9 @@
  *
  * @author Graham Campbell <graham@alt-three.com>
  */
-class MinifyCompilerTest extends AbstractTestCase
+final class MinifyCompilerTest extends AbstractTestCase
 {
-    public function testMinify()
+    public function testMinify(): void
     {
         $compiler = $this->getCompiler();
 
@@ -37,7 +37,7 @@ public function testMinify()
         $this->assertSame('abc', $return);
     }
 
-    public function testMinifyIgnored()
+    public function testMinifyIgnored(): void
     {
         $blade = Mockery::mock(BladeMinifier::class);
         $files = Mockery::mock(Filesystem::class);
@@ -57,7 +57,7 @@ public function testMinifyIgnored()
         $this->assertSame($html, $return);
     }
 
-    public function testCompilers()
+    public function testCompilers(): void
     {
         $compiler = $this->getCompiler();
 
diff --git a/tests/Facades/HTMLMinTest.php b/tests/Facades/HTMLMinTest.php
index 71c7672..32fce2c 100644
--- a/tests/Facades/HTMLMinTest.php
+++ b/tests/Facades/HTMLMinTest.php
@@ -28,30 +28,24 @@ class HTMLMinTest extends AbstractTestCase
 
     /**
      * Get the facade accessor.
-     *
-     * @return string
      */
-    protected function getFacadeAccessor()
+    protected static function getFacadeAccessor(): string
     {
         return 'htmlmin';
     }
 
     /**
      * Get the facade class.
-     *
-     * @return string
      */
-    protected function getFacadeClass()
+    protected static function getFacadeClass(): string
     {
         return Facade::class;
     }
 
     /**
      * Get the facade root.
-     *
-     * @return string
      */
-    protected function getFacadeRoot()
+    protected static function getFacadeRoot(): string
     {
         return HTMLMin::class;
     }
diff --git a/tests/Functional/BladeEnabledTest.php b/tests/Functional/BladeEnabledTest.php
index b80cc25..bd521c0 100644
--- a/tests/Functional/BladeEnabledTest.php
+++ b/tests/Functional/BladeEnabledTest.php
@@ -19,23 +19,21 @@
  *
  * @author Graham Campbell <graham@alt-three.com>
  */
-class BladeEnabledTest extends AbstractFunctionalTestCase
+final class BladeEnabledTest extends AbstractFunctionalTestCase
 {
     /**
      * Setup the application environment.
      *
      * @param \Illuminate\Contracts\Foundation\Application $app
-     *
-     * @return void
      */
-    protected function getEnvironmentSetUp($app)
+    protected function getEnvironmentSetUp($app): void
     {
         parent::getEnvironmentSetUp($app);
 
         $app->config->set('htmlmin.blade', true);
     }
 
-    public function testNewSetup()
+    public function testNewSetup(): void
     {
         $this->app->view->addNamespace('stubs', realpath(__DIR__.'/stubs'));
 
diff --git a/tests/Functional/ComponentsTest.php b/tests/Functional/ComponentsTest.php
index 2313fc3..2c1e42e 100644
--- a/tests/Functional/ComponentsTest.php
+++ b/tests/Functional/ComponentsTest.php
@@ -5,21 +5,19 @@
 use HTMLMin\HTMLMin\Compilers\MinifyCompiler;
 use HTMLMin\Tests\HTMLMin\Functional\Provider\TestComponentsProvider;
 
-class ComponentsTest extends AbstractFunctionalTestCase
+final class ComponentsTest extends AbstractFunctionalTestCase
 {
     /**
      * Get the required service providers.
      *
-     * @param \Illuminate\Contracts\Foundation\Application $app
-     *
      * @return string[]
      */
-    protected function getRequiredServiceProviders($app)
+    protected static function getRequiredServiceProviders(): array
     {
         return [TestComponentsProvider::class];
     }
 
-    public function testUseComponents()
+    public function testUseComponents(): void
     {
         if (version_compare($this->app->version(), '7.0', '<')) {
             $this->markTestSkipped('Class components were released in Laravel version 7.0.0');
diff --git a/tests/Functional/DirectivesTest.php b/tests/Functional/DirectivesTest.php
index 45f3369..2432d04 100644
--- a/tests/Functional/DirectivesTest.php
+++ b/tests/Functional/DirectivesTest.php
@@ -6,21 +6,19 @@
 use HTMLMin\Tests\HTMLMin\Functional\Provider\TestDirectivesProvider;
 use HTMLMin\Tests\HTMLMin\Mock\MinifyCompilerMock;
 
-class DirectivesTest extends AbstractFunctionalTestCase
+final class DirectivesTest extends AbstractFunctionalTestCase
 {
     /**
      * Get the required service providers.
      *
-     * @param \Illuminate\Contracts\Foundation\Application $app
-     *
      * @return string[]
      */
-    protected function getRequiredServiceProviders($app)
+    protected static function getRequiredServiceProviders(): array
     {
         return [TestDirectivesProvider::class];
     }
 
-    public function testUseDirectives()
+    public function testUseDirectives(): void
     {
         /** @var MinifyCompiler $minifyCompiler */
         $minifyCompiler = $this->app->make('view')
diff --git a/tests/Functional/MiddlewareTest.php b/tests/Functional/MiddlewareTest.php
index 1690e37..8141315 100644
--- a/tests/Functional/MiddlewareTest.php
+++ b/tests/Functional/MiddlewareTest.php
@@ -22,23 +22,21 @@
  *
  * @author Graham Campbell <graham@alt-three.com>
  */
-class MiddlewareTest extends AbstractFunctionalTestCase
+final class MiddlewareTest extends AbstractFunctionalTestCase
 {
     /**
      * Setup the application environment.
      *
      * @param \Illuminate\Contracts\Foundation\Application $app
-     *
-     * @return void
      */
-    protected function getEnvironmentSetUp($app)
+    protected function getEnvironmentSetUp($app): void
     {
         parent::getEnvironmentSetUp($app);
 
         $app->config->set('htmlmin.live', true);
     }
 
-    public function testNewSetup()
+    public function testNewSetup(): void
     {
         $this->app->view->addNamespace('stubs', realpath(__DIR__.'/stubs'));
 
@@ -53,7 +51,7 @@ public function testNewSetup()
         $this->assertSameIgnoreLineEndings($expected, $actual);
     }
 
-    public function testRedirect()
+    public function testRedirect(): void
     {
         $this->app->router->get('htmlmin-test-route', ['middleware' => MinifyMiddleware::class, function () {
             return Redirect::to('foo');
@@ -64,7 +62,7 @@ public function testRedirect()
         $this->assertSame($this->app->url->to('foo'), $response->headers->get('Location'));
     }
 
-    public function testJson()
+    public function testJson(): void
     {
         $this->app->router->get('htmlmin-test-route', ['middleware' => MinifyMiddleware::class, function () {
             return Response::json(['foo' => 'bar', ['baz']], 200, [], JSON_PRETTY_PRINT);
diff --git a/tests/Functional/Provider/TestDirectivesProvider.php b/tests/Functional/Provider/TestDirectivesProvider.php
index e9b4896..cb8f05f 100644
--- a/tests/Functional/Provider/TestDirectivesProvider.php
+++ b/tests/Functional/Provider/TestDirectivesProvider.php
@@ -5,11 +5,10 @@
 use Illuminate\Support\ServiceProvider;
 use Illuminate\View\Compilers\BladeCompiler;
 
-class TestDirectivesProvider extends ServiceProvider
+final class TestDirectivesProvider extends ServiceProvider
 {
-    public static function testDirective()
+    public static function testDirective(): void
     {
-        return 'test content';
     }
 
     public function register()
diff --git a/tests/Functional/SkipMinificationTest.php b/tests/Functional/SkipMinificationTest.php
index 74a7e41..a41f9d7 100644
--- a/tests/Functional/SkipMinificationTest.php
+++ b/tests/Functional/SkipMinificationTest.php
@@ -19,7 +19,7 @@
  *
  * @author Graham Campbell <graham@alt-three.com>
  */
-class SkipMinificationTest extends AbstractFunctionalTestCase
+final class SkipMinificationTest extends AbstractFunctionalTestCase
 {
     /**
      * Setup the application environment.
@@ -27,17 +27,15 @@ class SkipMinificationTest extends AbstractFunctionalTestCase
      * Ensure that blade is on.
      *
      * @param \Illuminate\Contracts\Foundation\Application $app
-     *
-     * @return void
      */
-    protected function getEnvironmentSetUp($app)
+    protected function getEnvironmentSetUp($app): void
     {
         parent::getEnvironmentSetUp($app);
 
         $app->config->set('htmlmin.blade', true);
     }
 
-    public function testNewSkipHMTL()
+    public function testNewSkipHMTL(): void
     {
         $this->app->view->addNamespace('stubs', realpath(__DIR__.'/stubs'));
 
@@ -48,7 +46,7 @@ public function testNewSkipHMTL()
         $this->assertSameIgnoreLineEndings($expected, $actual);
     }
 
-    public function testMarkDown()
+    public function testMarkDown(): void
     {
         $this->app->view->addNamespace('stubs', realpath(__DIR__.'/stubs'));
 
diff --git a/tests/HTMLMinTest.php b/tests/HTMLMinTest.php
index 3740eb6..683d4bc 100644
--- a/tests/HTMLMinTest.php
+++ b/tests/HTMLMinTest.php
@@ -12,6 +12,7 @@
 
 namespace HTMLMin\Tests\HTMLMin;
 
+use PHPUnit\Framework\Attributes\DataProvider;
 use GrahamCampbell\TestBench\AbstractTestCase as AbstractTestBenchTestCase;
 use HTMLMin\HTMLMin\HTMLMin;
 use HTMLMin\HTMLMin\Minifiers\BladeMinifier;
@@ -25,9 +26,9 @@
  *
  * @author Graham Campbell <graham@alt-three.com>
  */
-class HTMLMinTest extends AbstractTestBenchTestCase
+final class HTMLMinTest extends AbstractTestBenchTestCase
 {
-    public function methodProvider()
+    public static function methodProvider(): array
     {
         return [
             ['blade', 'getBladeMinifier'],
@@ -37,10 +38,8 @@ public function methodProvider()
         ];
     }
 
-    /**
-     * @dataProvider methodProvider
-     */
-    public function testMethods($method, $class)
+    #[DataProvider('methodProvider')]
+    public function testMethods($method, $class): void
     {
         $htmlmin = $this->getHTMLMin();
 
diff --git a/tests/Minifiers/BladeMinifierTest.php b/tests/Minifiers/BladeMinifierTest.php
index 936a5a8..c7d0b56 100644
--- a/tests/Minifiers/BladeMinifierTest.php
+++ b/tests/Minifiers/BladeMinifierTest.php
@@ -12,6 +12,7 @@
 
 namespace HTMLMin\Tests\HTMLMin\Minifiers;
 
+use PHPUnit\Framework\Attributes\DataProvider;
 use GrahamCampbell\TestBench\AbstractTestCase;
 use HTMLMin\HTMLMin\Minifiers\BladeMinifier;
 
@@ -20,9 +21,9 @@
  *
  * @author Graham Campbell <graham@alt-three.com>
  */
-class BladeMinifierTest extends AbstractTestCase
+final class BladeMinifierTest extends AbstractTestCase
 {
-    public function testRenderEnabled()
+    public function testRenderEnabled(): void
     {
         $blade = $this->getBladeMinifier();
 
@@ -35,7 +36,7 @@ public function testRenderEnabled()
         $this->assertSame('test <div></div>', $return);
     }
 
-    public function tagProvider()
+    public static function tagProvider(): array
     {
         return [
             ['textarea'],
@@ -44,10 +45,8 @@ public function tagProvider()
         ];
     }
 
-    /**
-     * @dataProvider tagProvider
-     */
-    public function testRenderHtmlDisabled($tag)
+    #[DataProvider('tagProvider')]
+    public function testRenderHtmlDisabled($tag): void
     {
         $blade = $this->getBladeMinifier();
 
@@ -56,7 +55,7 @@ public function testRenderHtmlDisabled($tag)
         $this->assertSame("test    <$tag></$tag>", $return);
     }
 
-    public function testRenderCommentDisabled()
+    public function testRenderCommentDisabled(): void
     {
         $blade = $this->getBladeMinifier();
 
@@ -65,10 +64,8 @@ public function testRenderCommentDisabled()
         $this->assertSame('test    <?php // foo', $return);
     }
 
-    /**
-     * @dataProvider tagProvider
-     */
-    public function testRenderForced($tag)
+    #[DataProvider('tagProvider')]
+    public function testRenderForced($tag): void
     {
         $blade = $this->getBladeMinifier(true);
 
diff --git a/tests/Minifiers/CssMinifierTest.php b/tests/Minifiers/CssMinifierTest.php
index eb3010b..9316bd2 100644
--- a/tests/Minifiers/CssMinifierTest.php
+++ b/tests/Minifiers/CssMinifierTest.php
@@ -20,9 +20,9 @@
  *
  * @author Graham Campbell <graham@alt-three.com>
  */
-class CssMinifierTest extends AbstractTestCase
+final class CssMinifierTest extends AbstractTestCase
 {
-    public function testRender()
+    public function testRender(): void
     {
         $css = $this->getCssMinifier();
 
diff --git a/tests/Minifiers/HtmlMinifierTest.php b/tests/Minifiers/HtmlMinifierTest.php
index 99fc9e4..89ee080 100644
--- a/tests/Minifiers/HtmlMinifierTest.php
+++ b/tests/Minifiers/HtmlMinifierTest.php
@@ -23,9 +23,9 @@
  *
  * @author Graham Campbell <graham@alt-three.com>
  */
-class HtmlMinifierTest extends AbstractTestCase
+final class HtmlMinifierTest extends AbstractTestCase
 {
-    public function testRenderQuick()
+    public function testRenderQuick(): void
     {
         $html = $this->getHtmlMinifier();
 
@@ -34,7 +34,7 @@ public function testRenderQuick()
         $this->assertSame('test', $return);
     }
 
-    public function testRenderFull()
+    public function testRenderFull(): void
     {
         $html = $this->getHtmlMinifier();
         $text = 'test<style>font-size: 12pt;</style><script>alert("Hello");</script>';
diff --git a/tests/Minifiers/JsMinifierTest.php b/tests/Minifiers/JsMinifierTest.php
index 6b77787..57f98d5 100644
--- a/tests/Minifiers/JsMinifierTest.php
+++ b/tests/Minifiers/JsMinifierTest.php
@@ -20,9 +20,9 @@
  *
  * @author Graham Campbell <graham@alt-three.com>
  */
-class JsMinifierTest extends AbstractTestCase
+final class JsMinifierTest extends AbstractTestCase
 {
-    public function testRender()
+    public function testRender(): void
     {
         $js = $this->getJsMinifier();
 
diff --git a/tests/ServiceProviderTest.php b/tests/ServiceProviderTest.php
index 8af4817..b4d3c6f 100644
--- a/tests/ServiceProviderTest.php
+++ b/tests/ServiceProviderTest.php
@@ -25,36 +25,36 @@
  *
  * @author Graham Campbell <graham@alt-three.com>
  */
-class ServiceProviderTest extends AbstractTestCase
+final class ServiceProviderTest extends AbstractTestCase
 {
     use ServiceProviderTrait;
 
-    public function testCssMinifierIsInjectable()
+    public function testCssMinifierIsInjectable(): void
     {
         $this->assertIsInjectable(CssMinifier::class);
     }
 
-    public function testJsMinifierIsInjectable()
+    public function testJsMinifierIsInjectable(): void
     {
         $this->assertIsInjectable(JsMinifier::class);
     }
 
-    public function testHtmlMinifierIsInjectable()
+    public function testHtmlMinifierIsInjectable(): void
     {
         $this->assertIsInjectable(HtmlMinifier::class);
     }
 
-    public function testBladeMinifierIsInjectable()
+    public function testBladeMinifierIsInjectable(): void
     {
         $this->assertIsInjectable(BladeMinifier::class);
     }
 
-    public function testCompilerIsInjectable()
+    public function testCompilerIsInjectable(): void
     {
         $this->assertIsInjectable(MinifyCompiler::class);
     }
 
-    public function testHTMLMinIsInjectable()
+    public function testHTMLMinIsInjectable(): void
     {
         $this->assertIsInjectable(HTMLMin::class);
     }