diff --git a/src/Http/Middleware/DashboardMiddleware.php b/src/Http/Middleware/DashboardMiddleware.php
index 7f607f0..ccd2115 100644
--- a/src/Http/Middleware/DashboardMiddleware.php
+++ b/src/Http/Middleware/DashboardMiddleware.php
@@ -6,7 +6,6 @@
 
 use Laminas\Permissions\Acl\AclInterface;
 use Laminas\Permissions\Acl\Role\RoleInterface;
-use Mezzio\Authentication\UserInterface;
 use Override;
 use Psr\EventDispatcher\EventDispatcherInterface;
 use Psr\Http\Message\ResponseInterface;
@@ -15,6 +14,7 @@
 use Psr\Http\Server\RequestHandlerInterface;
 use Webware\Admin\AclWidgetFilterIterator;
 use Webware\Admin\Event\RegisterWidgetEvent;
+use Webware\Core\UserInterface;
 
 /**
  * Dispatches RegisterWidgetEvent so that modules may contribute
diff --git a/test/integration/DashboardMiddlewareIntegrationTest.php b/test/integration/DashboardMiddlewareIntegrationTest.php
index 5c7e060..510fd26 100644
--- a/test/integration/DashboardMiddlewareIntegrationTest.php
+++ b/test/integration/DashboardMiddlewareIntegrationTest.php
@@ -25,6 +25,7 @@
 use Webware\Admin\Event\RegisterWidgetEvent;
 use Webware\Admin\Http\Middleware\DashboardMiddleware;
 use Webware\Admin\WidgetInterface;
+use Webware\Core\UserInterface as CoreUserInterface;
 
 use function array_key_exists;
 use function iterator_to_array;
@@ -125,7 +126,7 @@ public function handle(ServerRequestInterface $request): ResponseInterface
 
         $middleware = new DashboardMiddleware($dispatcher, $acl);
         $middleware->process(
-            $request->withAttribute(UserInterface::class, $user),
+            $request->withAttribute(CoreUserInterface::class, $user),
             $handler,
         );
     }
diff --git a/test/unit/DashboardMiddlewareTest.php b/test/unit/DashboardMiddlewareTest.php
index 048db10..18b32c9 100644
--- a/test/unit/DashboardMiddlewareTest.php
+++ b/test/unit/DashboardMiddlewareTest.php
@@ -22,6 +22,7 @@
 use Webware\Admin\Event\RegisterWidgetEvent;
 use Webware\Admin\Http\Middleware\DashboardMiddleware;
 use Webware\Admin\WidgetInterface;
+use Webware\Core\UserInterface as CoreUserInterface;
 
 use function is_array;
 use function iterator_to_array;
@@ -182,7 +183,7 @@ static function (RegisterWidgetEvent $event) use ($widgets): object {
 
         $request = new ServerRequest();
         if (null !== $user) {
-            $request = $request->withAttribute(UserInterface::class, $user);
+            $request = $request->withAttribute(CoreUserInterface::class, $user);
         }
 
         $handler = new class($box) implements RequestHandlerInterface {