diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5d50917a..a0a6b733 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -3,8 +3,8 @@ name: CI
 on:
   push:
     branches:
-      - 2.x
-      - 2.next
+      - 3.x
+      - 3.next
   pull_request:
     branches:
       - '*'
diff --git a/src/Middleware/AuthenticationMiddleware.php b/src/Middleware/AuthenticationMiddleware.php
index b6049900..1de93ddc 100644
--- a/src/Middleware/AuthenticationMiddleware.php
+++ b/src/Middleware/AuthenticationMiddleware.php
@@ -16,11 +16,13 @@
  */
 namespace Authentication\Middleware;
 
+use Authentication\AuthenticationService;
 use Authentication\AuthenticationServiceInterface;
 use Authentication\AuthenticationServiceProviderInterface;
 use Authentication\Authenticator\AuthenticationRequiredException;
 use Authentication\Authenticator\StatelessInterface;
 use Authentication\Authenticator\UnauthenticatedException;
+use Cake\Core\ContainerApplicationInterface;
 use Laminas\Diactoros\Response;
 use Laminas\Diactoros\Response\RedirectResponse;
 use Laminas\Diactoros\Stream;
@@ -64,6 +66,11 @@ public function process(ServerRequestInterface $request, RequestHandlerInterface
     {
         $service = $this->getAuthenticationService($request);
 
+        if ($this->subject instanceof ContainerApplicationInterface) {
+            $container = $this->subject->getContainer();
+            $container->add(AuthenticationService::class, $service);
+        }
+
         try {
             $result = $service->authenticate($request);
         } catch (AuthenticationRequiredException $e) {
diff --git a/tests/TestCase/Authenticator/HttpBasicAuthenticatorTest.php b/tests/TestCase/Authenticator/HttpBasicAuthenticatorTest.php
index 3b868e84..b600a764 100644
--- a/tests/TestCase/Authenticator/HttpBasicAuthenticatorTest.php
+++ b/tests/TestCase/Authenticator/HttpBasicAuthenticatorTest.php
@@ -37,6 +37,16 @@ class HttpBasicAuthenticatorTest extends TestCase
         'core.Users',
     ];
 
+    /**
+     * @var \Authentication\IdentifierCollection
+     */
+    protected $identifiers;
+
+    /**
+     * @var \Autnentication\Authenticator\HttpBasicAuthenticator
+     */
+    protected $auth;
+
     /**
      * @inheritDoc
      */
diff --git a/tests/TestCase/Authenticator/HttpDigestAuthenticatorTest.php b/tests/TestCase/Authenticator/HttpDigestAuthenticatorTest.php
index c76c4083..602d4c1b 100644
--- a/tests/TestCase/Authenticator/HttpDigestAuthenticatorTest.php
+++ b/tests/TestCase/Authenticator/HttpDigestAuthenticatorTest.php
@@ -43,6 +43,16 @@ class HttpDigestAuthenticatorTest extends TestCase
         'core.Users',
     ];
 
+    /**
+     * @var \Authentication\IdentifierCollection
+     */
+    protected $identifiers;
+
+    /**
+     * @var \Autnentication\Authenticator\HttpDigestAuthenticator
+     */
+    protected $auth;
+
     /**
      * setup
      *
diff --git a/tests/TestCase/Authenticator/JwtAuthenticatorTest.php b/tests/TestCase/Authenticator/JwtAuthenticatorTest.php
index 155d4100..e10dd65a 100644
--- a/tests/TestCase/Authenticator/JwtAuthenticatorTest.php
+++ b/tests/TestCase/Authenticator/JwtAuthenticatorTest.php
@@ -60,6 +60,11 @@ class JwtAuthenticatorTest extends TestCase
      */
     public $identifiers;
 
+    /**
+     * @var \Cake\Http\ServerRequest
+     */
+    protected $request;
+
     /**
      * @inheritDoc
      */
diff --git a/tests/TestCase/Authenticator/SessionAuthenticatorTest.php b/tests/TestCase/Authenticator/SessionAuthenticatorTest.php
index f13fa7db..95cb711b 100644
--- a/tests/TestCase/Authenticator/SessionAuthenticatorTest.php
+++ b/tests/TestCase/Authenticator/SessionAuthenticatorTest.php
@@ -40,6 +40,13 @@ class SessionAuthenticatorTest extends TestCase
         'core.Users',
     ];
 
+    /**
+     * @var \Authentication\IdentifierCollection
+     */
+    protected $identifiers;
+
+    protected $sessionMock;
+
     /**
      * @inheritDoc
      */
diff --git a/tests/TestCase/Authenticator/TokenAuthenticatorTest.php b/tests/TestCase/Authenticator/TokenAuthenticatorTest.php
index 323e6c39..9b67fa5f 100644
--- a/tests/TestCase/Authenticator/TokenAuthenticatorTest.php
+++ b/tests/TestCase/Authenticator/TokenAuthenticatorTest.php
@@ -34,6 +34,16 @@ class TokenAuthenticatorTest extends TestCase
         'core.Users',
     ];
 
+    /**
+     * @var \Authentication\IdentifierCollection
+     */
+    protected $identifiers;
+
+    /**
+     * @var \Cake\Http\ServerRequest
+     */
+    protected $request;
+
     /**
      * @inheritDoc
      */
diff --git a/tests/TestCase/Middleware/AuthenticationMiddlewareTest.php b/tests/TestCase/Middleware/AuthenticationMiddlewareTest.php
index b4de8f13..1627cd6f 100644
--- a/tests/TestCase/Middleware/AuthenticationMiddlewareTest.php
+++ b/tests/TestCase/Middleware/AuthenticationMiddlewareTest.php
@@ -24,6 +24,7 @@
 use Authentication\IdentityInterface;
 use Authentication\Middleware\AuthenticationMiddleware;
 use Authentication\Test\TestCase\AuthenticationTestCase as TestCase;
+use Cake\Core\TestSuite\ContainerStubTrait;
 use Cake\Http\Response;
 use Cake\Http\ServerRequestFactory;
 use Firebase\JWT\JWT;
@@ -32,6 +33,18 @@
 
 class AuthenticationMiddlewareTest extends TestCase
 {
+    use ContainerStubTrait;
+
+    /**
+     * @var \Authentication\AuthenticationService
+     */
+    protected $service;
+
+    /**
+     * @var \TestApp\Application
+     */
+    protected $application;
+
     /**
      * Fixtures
      */
@@ -116,7 +129,7 @@ public function testApplicationAuthenticationRequestResponse()
         $service->method('getIdentityAttribute')->willReturn('identity');
 
         $application = $this->getMockBuilder(Application::class)
-            ->disableOriginalConstructor()
+            ->setConstructorArgs(['config'])
             ->onlyMethods(['getAuthenticationService', 'middleware'])
             ->getMock();
 
@@ -638,4 +651,20 @@ public function testCookieAuthorizationThroughTheMiddlewareStack()
 
         $this->assertStringContainsString('CookieAuth=%5B%22mariano%22', $response->getHeaderLine('Set-Cookie'));
     }
+
+    public function testMiddlewareInjectsServiceIntoDIC(): void
+    {
+        $request = ServerRequestFactory::fromGlobals(
+            ['REQUEST_URI' => '/testpath'],
+            [],
+            ['username' => 'mariano', 'password' => 'password']
+        );
+        $handler = new TestRequestHandler();
+
+        $middleware = new AuthenticationMiddleware($this->application);
+        $middleware->process($request, $handler);
+
+        $container = $this->application->getContainer();
+        $this->assertInstanceOf(AuthenticationService::class, $container->get(AuthenticationService::class));
+    }
 }