diff --git a/src/Lodash/Middlewares/ApiLocale.php b/src/Lodash/Middlewares/ApiLocale.php
index 4e05755..b2cdabb 100644
--- a/src/Lodash/Middlewares/ApiLocale.php
+++ b/src/Lodash/Middlewares/ApiLocale.php
@@ -6,6 +6,7 @@
 
 use Closure;
 use Illuminate\Http\Request;
+use Symfony\Component\HttpFoundation\Response;
 
 use function app;
 use function array_keys;
@@ -16,7 +17,7 @@
 
 class ApiLocale
 {
-    public function handle(Request $request, Closure $next)
+    public function handle(Request $request, Closure $next): Response
     {
         if ($request->wantsJson()) {
             $locales = config('lodash.locales', []);