diff --git a/.phive/phars.xml b/.phive/phars.xml
index f5aa3300..a95d33f9 100644
--- a/.phive/phars.xml
+++ b/.phive/phars.xml
@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <phive xmlns="https://phar.io/phive">
-  <phar name="phpstan" version="2.1.17" installed="2.1.17" location="./tools/phpstan" copy="false"/>
+  <phar name="phpstan" version="2.1.31" installed="2.1.31" location="./tools/phpstan" copy="false"/>
 </phive>
diff --git a/composer.json b/composer.json
index c2d51114..15d82c07 100644
--- a/composer.json
+++ b/composer.json
@@ -30,13 +30,13 @@
     "require": {
         "php": ">=8.1",
         "cakephp/cakephp": "^5.1",
-        "composer/composer": "^2.0",
+        "composer/composer": "^2.7.7",
         "doctrine/sql-formatter": "^1.1.3"
     },
     "require-dev": {
         "cakephp/authorization": "^3.0",
         "cakephp/cakephp-codesniffer": "^5.0",
-        "phpunit/phpunit": "^10.5.5 || ^11.1.3"
+        "phpunit/phpunit": "^10.5.32 || ^11.1.3 || ^12.0.9"
     },
     "suggest": {
         "ext-pdo_sqlite": "DebugKit needs to store panel data in a database. SQLite is simple and easy to use."
diff --git a/tests/TestCase/Middleware/DebugKitMiddlewareTest.php b/tests/TestCase/Middleware/DebugKitMiddlewareTest.php
index 79bcfeb7..6a15a18f 100644
--- a/tests/TestCase/Middleware/DebugKitMiddlewareTest.php
+++ b/tests/TestCase/Middleware/DebugKitMiddlewareTest.php
@@ -193,13 +193,13 @@ public function testInvokeNoModifyBinaryResponse()
         $handler = $this->handler();
         $handler->expects($this->once())
             ->method('handle')
-            ->will($this->returnCallback(function ($req) use ($response) {
+            ->willReturnCallback(function ($req) use ($response) {
                 $stream = new CallbackStream(function () {
                     return 'hi!';
                 });
 
                 return $response->withBody($stream);
-            }));
+            });
         $middleware = new DebugKitMiddleware();
         $result = $middleware->process($request, $handler);
         $this->assertInstanceOf(Response::class, $result, 'Should return a response');
diff --git a/tests/TestCase/Model/Table/RequestTableTest.php b/tests/TestCase/Model/Table/RequestTableTest.php
index 021a710b..8fb02690 100644
--- a/tests/TestCase/Model/Table/RequestTableTest.php
+++ b/tests/TestCase/Model/Table/RequestTableTest.php
@@ -84,7 +84,7 @@ public function testGc()
         /** @var \PHPUnit\Framework\MockObject\MockObject&\DebugKit\Model\Table\RequestsTable $requestsTableMock */
         $requestsTableMock = $this->getMockForModel('DebugKit.Requests', ['shouldGc']);
         $requestsTableMock->method('shouldGc')
-            ->will($this->returnValue(true));
+            ->willReturn(true);
 
         $data = array_fill(0, 10, [
             'url' => '/tasks/add',
diff --git a/tests/TestCase/Panel/IncludePanelTest.php b/tests/TestCase/Panel/IncludePanelTest.php
index aa066873..776abb62 100644
--- a/tests/TestCase/Panel/IncludePanelTest.php
+++ b/tests/TestCase/Panel/IncludePanelTest.php
@@ -17,6 +17,7 @@
 use Cake\Event\Event;
 use Cake\TestSuite\TestCase;
 use DebugKit\Panel\IncludePanel;
+use PHPUnit\Framework\Attributes\WithoutErrorHandler;
 
 /**
  * Class IncludePanelTest
@@ -36,7 +37,9 @@ class IncludePanelTest extends TestCase
     public function setUp(): void
     {
         parent::setUp();
-        $this->panel = new IncludePanel();
+        $this->deprecated(function () {
+            $this->panel = new IncludePanel();
+        });
     }
 
     /**
@@ -44,6 +47,7 @@ public function setUp(): void
      *
      * @return void
      */
+    #[WithoutErrorHandler]
     public function testShutdown()
     {
         $this->panel->shutdown(new Event('Controller.shutdown'));
@@ -61,6 +65,7 @@ public function testShutdown()
      *
      * @return void
      */
+    #[WithoutErrorHandler]
     public function testSummary()
     {
         $total = $this->panel->summary();
diff --git a/tests/TestCase/Panel/SessionPanelTest.php b/tests/TestCase/Panel/SessionPanelTest.php
index 4970de02..8341f4a1 100644
--- a/tests/TestCase/Panel/SessionPanelTest.php
+++ b/tests/TestCase/Panel/SessionPanelTest.php
@@ -20,6 +20,7 @@
 use Cake\Http\Session;
 use Cake\TestSuite\TestCase;
 use DebugKit\Panel\SessionPanel;
+use PHPUnit\Framework\Attributes\WithoutErrorHandler;
 
 /**
  * Class RequestPanelTest
@@ -47,6 +48,7 @@ public function setUp(): void
      *
      * @return void
      */
+    #[WithoutErrorHandler]
     public function testShutdownSkipAttributes()
     {
         $session = new Session();
@@ -57,7 +59,9 @@ public function testShutdownSkipAttributes()
 
         $controller = new Controller($request);
         $event = new Event('Controller.shutdown', $controller);
-        $this->panel->shutdown($event);
+        $this->deprecated(function () use ($event) {
+            $this->panel->shutdown($event);
+        });
 
         $data = $this->panel->data();
         $this->assertArrayHasKey('content', $data);
diff --git a/tests/bootstrap.php b/tests/bootstrap.php
index 1f605002..e43e2036 100644
--- a/tests/bootstrap.php
+++ b/tests/bootstrap.php
@@ -71,9 +71,9 @@
 ]);
 
 Cache::setConfig([
-    '_cake_core_' => [
+    '_cake_translations_' => [
         'engine' => 'File',
-        'prefix' => 'cake_core_',
+        'prefix' => 'cake_translations_',
         'serialize' => true,
     ],
     '_cake_model_' => [