diff --git a/app/Http/Requests/Api/NearbyStationsRequest.php b/app/Http/Requests/Api/NearbyStationsRequest.php
index 0bd934f..5ddf639 100644
--- a/app/Http/Requests/Api/NearbyStationsRequest.php
+++ b/app/Http/Requests/Api/NearbyStationsRequest.php
@@ -15,7 +15,7 @@ class NearbyStationsRequest extends FormRequest
     public function rules(): array
     {
         return [
-            'postcode' => ['nullable', 'string', 'max:10'],
+            'postcode' => ['nullable', 'string', 'max:100'],
             'lat' => ['required_without:postcode', 'nullable', 'numeric', 'between:-90,90'],
             'lng' => ['required_without:postcode', 'nullable', 'numeric', 'between:-180,180'],
             'fuel_type' => ['required', 'string'],