diff --git a/examples/public/password.php b/examples/public/password.php
index fff4717b..efeed2f0 100644
--- a/examples/public/password.php
+++ b/examples/public/password.php
@@ -1,34 +1,50 @@
 <?php
 
-use League\OAuth2\Server\Exception\OAuthException;
+use League\OAuth2\Server\Exception\OAuthServerException;
+use League\OAuth2\Server\Grant\PasswordGrant;
 use League\OAuth2\Server\Server;
+
 use OAuth2ServerExamples\Repositories\AccessTokenRepository;
 use OAuth2ServerExamples\Repositories\ClientRepository;
 use OAuth2ServerExamples\Repositories\ScopeRepository;
 use OAuth2ServerExamples\Repositories\UserRepository;
-use Symfony\Component\HttpFoundation\Request;
+
+use Slim\App;
+use Slim\Http\Request;
+use Slim\Http\Response;
 
 include(__DIR__ . '/../vendor/autoload.php');
 
 // Setup the authorization server
 $server = new Server();
-$server->addRepository(new ClientRepository());
-$server->addRepository(new ScopeRepository());
-$server->addRepository(new AccessTokenRepository());
-$server->addRepository(new UserRepository());
 
-// Enable the password grant
-$server->enableGrantType('PasswordGrant');
+// Init our repositories
+$clientRepository = new ClientRepository();
+$scopeRepository = new ScopeRepository();
+$accessTokenRepository = new AccessTokenRepository();
+$userRepository = new UserRepository();
 
-// Setup app + routing
-$application = new \Proton\Application();
-$application->post('/access_token', function (Request $request) use ($server) {
+// Enable the client credentials grant on the server
+$server->enableGrantType(new PasswordGrant(
+    $userRepository,
+    $clientRepository,
+    $scopeRepository,
+    $accessTokenRepository
+));
+
+// App
+$app = new App([Server::class => $server]);
+
+$app->post('/access_token', function (Request $request, Response $response) {
+    /** @var Server $server */
+    $server = $this->getContainer()->get(Server::class);
     try {
-        return $server->getAccessTokenResponse($request);
-    } catch (OAuthException $e) {
+        return $server->respondToRequest($request);
+    } catch (OAuthServerException $e) {
         return $e->generateHttpResponse();
+    } catch (\Exception $e) {
+        return $response->withStatus(500)->write($e->getMessage());
     }
 });
 
-// Run the app
-$application->run();
+$app->run();
diff --git a/examples/src/Repositories/UserRepository.php b/examples/src/Repositories/UserRepository.php
index d006dab1..1ad9914d 100644
--- a/examples/src/Repositories/UserRepository.php
+++ b/examples/src/Repositories/UserRepository.php
@@ -1,22 +1,25 @@
 <?php
 namespace OAuth2ServerExamples\Repositories;
 
-use League\OAuth2\Server\Entities\Interfaces\UserEntityInterface;
 use League\OAuth2\Server\Repositories\UserRepositoryInterface;
 use OAuth2ServerExamples\Entities\UserEntity;
 
 class UserRepository implements UserRepositoryInterface
 {
     /**
-     * Get a user
+     * Get a user entity
      *
      * @param string $username
      * @param string $password
      *
-     * @return UserEntityInterface
+     * @return \League\OAuth2\Server\Entities\Interfaces\UserEntityInterface
      */
-    public function getByCredentials($username, $password)
+    public function getUserEntityByUserCredentials($username, $password)
     {
-        return new UserEntity();
+        if ($username === 'alex' && $password === 'whisky') {
+            return new UserEntity();
+        }
+
+        return null;
     }
 }