diff --git a/app/Http/Middleware/EnsureUserIsAdmin.php b/app/Http/Middleware/EnsureUserIsAdmin.php
new file mode 100644
index 0000000..b7faee1
--- /dev/null
+++ b/app/Http/Middleware/EnsureUserIsAdmin.php
@@ -0,0 +1,19 @@
+<?php
+
+namespace App\Http\Middleware;
+
+use Closure;
+use Illuminate\Http\Request;
+
+class EnsureUserIsAdmin
+{
+    public function handle(Request $request, Closure $next)
+    {
+        if (! $request->user() || ! $request->user()->is_admin) {
+            return response()->json(['message' => 'Apenas administradores podem acessar.'], 403);
+        }
+
+        return $next($request);
+    }
+}
+
diff --git a/bootstrap/app.php b/bootstrap/app.php
index cd48217..3004fb6 100644
--- a/bootstrap/app.php
+++ b/bootstrap/app.php
@@ -13,6 +13,9 @@
     )
     ->withMiddleware(function (Middleware $middleware): void {
          $middleware->append(\App\Http\Middleware\ForceJsonResponse::class);
+         $middleware->alias([
+             'admin' => \App\Http\Middleware\EnsureUserIsAdmin::class,
+         ]);
     })
     ->withExceptions(function (Exceptions $exceptions): void {
         //