diff --git a/bootstrap/app.php b/bootstrap/app.php
index acf0933d0..34a6bb8b0 100644
--- a/bootstrap/app.php
+++ b/bootstrap/app.php
@@ -14,7 +14,7 @@ return Application::configure(basePath: dirname(__DIR__))
         commands: __DIR__.'/../routes/console.php',
         health: '/up',
     )
-    ->withMiddleware(function (Middleware $middleware) {
+    ->withMiddleware(function (Middleware $middleware): void {
         $middleware->encryptCookies(except: ['appearance', 'sidebar_state']);
 
         $middleware->web(append: [
@@ -23,6 +23,6 @@ return Application::configure(basePath: dirname(__DIR__))
             AddLinkHeadersForPreloadedAssets::class,
         ]);
     })
-    ->withExceptions(function (Exceptions $exceptions) {
+    ->withExceptions(function (Exceptions $exceptions): void {
         //
     })->create();