diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8886457..802a12c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -13,10 +13,10 @@ permissions:
 
 jobs:
   testsuite:
-    uses: ADmad/.github/.github/workflows/testsuite-with-db.yml@master
+    uses: ADmad/.github/.github/workflows/testsuite-with-db.yml@cake6
     secrets:
       CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
 
   cs-stan:
-    uses: ADmad/.github/.github/workflows/cs-stan.yml@master
+    uses: ADmad/.github/.github/workflows/cs-stan.yml@cake6
     secrets: inherit
diff --git a/README.md b/README.md
index 1058a16..d8473a4 100755
--- a/README.md
+++ b/README.md
@@ -36,7 +36,7 @@ Add the `FootprintMiddleware` to the middleware queue in your `Application::midd
 method:
 
 ```php
-$middleware->add('Muffin/Footprint.Footprint');
+$middleware->add(new \Muffin\Footprint\Middleware\FootprintMiddleware());
 ```
 
 It must be added **after** `AuthenticationMiddleware` to ensure that it can read
diff --git a/composer.json b/composer.json
index 65c6000..853353b 100755
--- a/composer.json
+++ b/composer.json
@@ -30,11 +30,12 @@
         "source": "https://github.com/usemuffin/footprint"
     },
     "require": {
-        "cakephp/cakephp": "^5.0"
+        "php": ">=8.5",
+        "cakephp/cakephp": "^6.0"
     },
     "require-dev": {
-        "cakephp/cakephp-codesniffer": "^5.0",
-        "phpunit/phpunit": "^11.5.3 || ^12.4 || ^13.0"
+        "cakephp/cakephp-codesniffer": "^6.0",
+        "phpunit/phpunit": "^13.0"
     },
     "scripts": {
         "cs-check": "phpcs --colors --parallel=16 -p src/ tests/",
@@ -52,6 +53,8 @@
             "Cake\\Test\\Fixture\\": "vendor/cakephp/cakephp/tests/Fixture"
         }
     },
+    "minimum-stability": "dev",
+    "prefer-stable": true,
     "config": {
         "allow-plugins": {
             "dealerdirect/phpcodesniffer-composer-installer": true
diff --git a/phpstan.neon b/phpstan.neon
index a9e3fc4..1c08d53 100644
--- a/phpstan.neon
+++ b/phpstan.neon
@@ -3,8 +3,3 @@ parameters:
 	treatPhpDocTypesAsCertain: false
 	paths:
 		- src/
-	ignoreErrors:
-		-
-			message: "#^Call to an undefined method object\\:\\:getEventManager\\(\\)\\.$#"
-			count: 1
-			path: src/FootprintPlugin.php
diff --git a/phpunit.xml.dist b/phpunit.xml.dist
index 36952e4..73635b5 100755
--- a/phpunit.xml.dist
+++ b/phpunit.xml.dist
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" bootstrap="./tests/bootstrap.php" colors="true" stopOnFailure="false" xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/10.2/phpunit.xsd" cacheDirectory=".phpunit.cache">
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" bootstrap="./tests/bootstrap.php" colors="true" stopOnFailure="false" xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/13.0/phpunit.xsd" cacheDirectory=".phpunit.cache">
     <testsuites>
-        <testsuite name="Slug Test Cases">
+        <testsuite name="Footprint Test Cases">
             <directory>./tests/</directory>
         </testsuite>
     </testsuites>
diff --git a/psalm-baseline.xml b/psalm-baseline.xml
index 46cbdcc..7c28b48 100644
--- a/psalm-baseline.xml
+++ b/psalm-baseline.xml
@@ -1,11 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <files psalm-version="6.16.1@f1f5de594dc76faf8784e02d3dc4716c91c6f6ac">
-  <file src="src/FootprintPlugin.php">
-    <MoreSpecificImplementedParamType>
-      <code><![CDATA[$app]]></code>
-      <code><![CDATA[$app]]></code>
-    </MoreSpecificImplementedParamType>
-  </file>
   <file src="src/Model/Behavior/FootprintBehavior.php">
     <InvalidArgument>
       <code><![CDATA[$options]]></code>
diff --git a/src/Event/FootprintListener.php b/src/Event/FootprintListener.php
index f4bb605..b4b829c 100644
--- a/src/Event/FootprintListener.php
+++ b/src/Event/FootprintListener.php
@@ -19,7 +19,7 @@ class FootprintListener implements EventListenerInterface
      *
      * @var array<string, mixed>
      */
-    protected array $_defaultConfig = [
+    protected array $defaultConfig = [
         'events' => [
             'Model.beforeFind' => -100,
             'Model.beforeRules' => -100,
@@ -34,7 +34,7 @@ class FootprintListener implements EventListenerInterface
      *
      * @var \Cake\Datasource\EntityInterface|null
      */
-    protected ?EntityInterface $_currentUser;
+    protected ?EntityInterface $currentUser;
 
     /**
      * Constructor.
@@ -45,7 +45,7 @@ class FootprintListener implements EventListenerInterface
     public function __construct(?EntityInterface $user = null, array $config = [])
     {
         $this->setConfig($config);
-        $this->_currentUser = $user;
+        $this->currentUser = $user;
     }
 
     /**
@@ -70,7 +70,7 @@ public function implementedEvents(): array
      */
     public function setUser(EntityInterface $entity): void
     {
-        $this->_currentUser = $entity;
+        $this->currentUser = $entity;
     }
 
     /**
@@ -80,7 +80,7 @@ public function setUser(EntityInterface $entity): void
      */
     public function getUser(): ?EntityInterface
     {
-        return $this->_currentUser;
+        return $this->currentUser;
     }
 
     /**
@@ -97,8 +97,8 @@ public function handleEvent(
         ArrayObject $options,
     ): void {
         $key = $this->getConfig('optionKey');
-        if ($this->_currentUser && empty($options[$key])) {
-            $options[$key] = $this->_currentUser;
+        if ($this->currentUser && empty($options[$key])) {
+            $options[$key] = $this->currentUser;
         }
     }
 }
diff --git a/src/FootprintPlugin.php b/src/FootprintPlugin.php
index bbb68fa..6203bc7 100644
--- a/src/FootprintPlugin.php
+++ b/src/FootprintPlugin.php
@@ -6,6 +6,7 @@
 use Cake\Core\BasePlugin;
 use Cake\Core\PluginApplicationInterface;
 use Cake\Event\EventInterface;
+use Cake\ORM\Table;
 use Muffin\Footprint\Event\FootprintListener;
 
 class FootprintPlugin extends BasePlugin
@@ -25,7 +26,7 @@ class FootprintPlugin extends BasePlugin
     /**
      * Bootstrap hook
      *
-     * @param \Cake\Core\PluginApplicationInterface<self> $app Application instance.
+     * @param \Cake\Core\PluginApplicationInterface $app Application instance.
      * @return void
      */
     public function bootstrap(PluginApplicationInterface $app): void
@@ -34,7 +35,10 @@ public function bootstrap(PluginApplicationInterface $app): void
             'Model.initialize',
             /** @param \Cake\Event\EventInterface<\Cake\ORM\Table> $event */
             function (EventInterface $event): void {
-                $event->getSubject()->getEventManager()->on(static::getListener());
+                $table = $event->getSubject();
+                if ($table instanceof Table) {
+                    $table->getEventManager()->on(static::getListener());
+                }
             },
         );
     }
diff --git a/src/Model/Behavior/FootprintBehavior.php b/src/Model/Behavior/FootprintBehavior.php
index 0c0b92a..aacb0cb 100644
--- a/src/Model/Behavior/FootprintBehavior.php
+++ b/src/Model/Behavior/FootprintBehavior.php
@@ -21,7 +21,7 @@ class FootprintBehavior extends Behavior
      *
      * @var array<string, mixed>
      */
-    protected array $_defaultConfig = [
+    protected array $defaultConfig = [
         'events' => [
             'Model.beforeSave' => [
                 'created_by' => 'new',
@@ -34,9 +34,9 @@ class FootprintBehavior extends Behavior
     ];
 
     /**
-     * Intialize the behavior.
+     * Initialize the behavior.
      *
-     * @param array<string, mixeD> $config Config options.
+     * @param array<string, mixed> $config Config options.
      * @return void
      */
     public function initialize(array $config): void
@@ -54,7 +54,7 @@ public function initialize(array $config): void
                     $config['propertiesMap'][] = $field;
                 }
             }
-            $this->_config['events'][$name] = $options;
+            $this->config['events'][$name] = $options;
         }
 
         foreach ($config['propertiesMap'] as $property => $map) {
@@ -82,7 +82,7 @@ public function implementedEvents(): array
     {
         /** @phpstan-ignore-next-line */
         return array_fill_keys(
-            array_keys($this->_config['events']),
+            array_keys($this->config['events']),
             'dispatch',
         );
     }
@@ -100,19 +100,19 @@ public function implementedEvents(): array
     public function dispatch(EventInterface $event, EntityInterface|SelectQuery $data, ArrayObject $options): void
     {
         $eventName = $event->getName();
-        if (empty($this->_config['events'][$eventName])) {
+        if (empty($this->config['events'][$eventName])) {
             return;
         }
 
-        $fields = $this->_config['events'][$eventName];
+        $fields = $this->config['events'][$eventName];
 
         if ($data instanceof EntityInterface) {
-            $this->_injectEntity($data, $options, $fields);
+            $this->injectEntity($data, $options, $fields);
 
             return;
         }
 
-        $this->_injectConditions($data, $options, $fields);
+        $this->injectConditions($data, $options, $fields);
     }
 
     /**
@@ -123,7 +123,7 @@ public function dispatch(EventInterface $event, EntityInterface|SelectQuery $dat
      * @param array<string, mixed> $fields Field configuration.
      * @return void
      */
-    protected function _injectConditions(SelectQuery $query, ArrayObject $options, array $fields): void
+    protected function injectConditions(SelectQuery $query, ArrayObject $options, array $fields): void
     {
         foreach (array_keys($fields) as $field) {
             $path = $this->getConfig('propertiesMap.' . $field);
@@ -135,7 +135,7 @@ protected function _injectConditions(SelectQuery $query, ArrayObject $options, a
 
                     return;
                 }
-                $alias = $this->_table->aliasField($field);
+                $alias = $this->table->aliasField($field);
                 !$check && $check = preg_match(
                     '/^' . $alias . '/',
                     // TODO: Add test to show that cloning is necessary here to avoid issue mentioned in
@@ -146,7 +146,7 @@ protected function _injectConditions(SelectQuery $query, ArrayObject $options, a
 
             $value = Hash::get((array)$options, $path);
             if (!$check && $value) {
-                $query->where([$this->_table->aliasField($field) => $value]);
+                $query->where([$this->table->aliasField($field) => $value]);
             }
         }
     }
@@ -159,7 +159,7 @@ protected function _injectConditions(SelectQuery $query, ArrayObject $options, a
      * @param array<string, string|\Closure> $fields Field configuration.
      * @return void
      */
-    protected function _injectEntity(EntityInterface $entity, ArrayObject $options, array $fields): void
+    protected function injectEntity(EntityInterface $entity, ArrayObject $options, array $fields): void
     {
         $new = $entity->isNew() !== false;
 
diff --git a/tests/TestCase/FootprintPluginTest.php b/tests/TestCase/FootprintPluginTest.php
new file mode 100644
index 0000000..e75097e
--- /dev/null
+++ b/tests/TestCase/FootprintPluginTest.php
@@ -0,0 +1,76 @@
+<?php
+declare(strict_types=1);
+
+namespace Muffin\Footprint\Test\TestCase;
+
+use Cake\Core\PluginApplicationInterface;
+use Cake\Datasource\ConnectionManager;
+use Cake\Event\Event;
+use Cake\Event\EventManager;
+use Cake\Http\Response;
+use Cake\Http\ServerRequest;
+use Cake\ORM\Entity;
+use Cake\ORM\Table;
+use Cake\TestSuite\TestCase;
+use Muffin\Footprint\FootprintPlugin;
+use Muffin\Footprint\Middleware\FootprintMiddleware;
+use Psr\Http\Server\RequestHandlerInterface;
+use ReflectionProperty;
+
+class FootprintPluginTest extends TestCase
+{
+    protected array $fixtures = [
+        'plugin.Muffin/Footprint.Articles',
+    ];
+
+    public function tearDown(): void
+    {
+        (new ReflectionProperty(FootprintPlugin::class, 'listener'))->setValue(null, null);
+
+        parent::tearDown();
+    }
+
+    public function testMiddlewarePassesIdentityToDefaultBehavior(): void
+    {
+        $eventManager = new EventManager();
+        $app = $this->createStub(PluginApplicationInterface::class);
+        $app->method('getEventManager')->willReturn($eventManager);
+        (new FootprintPlugin())->bootstrap($app);
+
+        $table = new Table([
+            'table' => 'articles',
+            'alias' => 'Articles',
+            'connection' => ConnectionManager::get('test'),
+            'eventManager' => $eventManager,
+        ]);
+        $table->addBehavior('Muffin/Footprint.Footprint');
+
+        $user = new Entity(['id' => 42]);
+        $request = (new ServerRequest())->withAttribute('identity', $user);
+        $response = new Response();
+        $handler = $this->createMock(RequestHandlerInterface::class);
+        $handler->expects($this->once())->method('handle')->with($request)
+            ->willReturnCallback(function () use ($table, $response): Response {
+                $entity = $table->newEntity(['title' => 'With request identity']);
+                $saved = $table->saveOrFail($entity);
+
+                $this->assertSame(42, $saved->created_by);
+                $this->assertSame(42, $saved->modified_by);
+
+                return $response;
+            });
+
+        $this->assertSame($response, (new FootprintMiddleware())->process($request, $handler));
+    }
+
+    public function testInitializeWithoutSubject(): void
+    {
+        $eventManager = new EventManager();
+        $app = $this->createStub(PluginApplicationInterface::class);
+        $app->method('getEventManager')->willReturn($eventManager);
+        (new FootprintPlugin())->bootstrap($app);
+
+        $event = new Event('Model.initialize');
+        $this->assertSame($event, $eventManager->dispatch($event));
+    }
+}