diff --git a/src/EndpointCollection/SalesInvoiceEndpointCollection.php b/src/EndpointCollection/SalesInvoiceEndpointCollection.php
index c1b28f78..5d5ed5b0 100644
--- a/src/EndpointCollection/SalesInvoiceEndpointCollection.php
+++ b/src/EndpointCollection/SalesInvoiceEndpointCollection.php
@@ -32,7 +32,7 @@ public function get(string $id): SalesInvoice
     /**
      * Creates a SalesInvoice in Mollie.
      *
-     * @param array|CreateSalesInvoicePayload $payload
+     * @param  array|CreateSalesInvoicePayload  $payload
      *
      * @throws ApiException
      */
diff --git a/src/Factories/CreateSalesInvoicePayloadFactory.php b/src/Factories/CreateSalesInvoicePayloadFactory.php
index de6200a6..cfb2d67d 100644
--- a/src/Factories/CreateSalesInvoicePayloadFactory.php
+++ b/src/Factories/CreateSalesInvoicePayloadFactory.php
@@ -3,16 +3,14 @@
 namespace Mollie\Api\Factories;
 
 use Mollie\Api\Http\Payload\CreateSalesInvoicePayload;
-use Mollie\Api\Http\Payload\PaymentDetails;
-use Mollie\Api\Http\Payload\EmailDetails;
 use Mollie\Api\Http\Payload\Discount;
+use Mollie\Api\Http\Payload\EmailDetails;
+use Mollie\Api\Http\Payload\PaymentDetails;
 
 class CreateSalesInvoicePayloadFactory extends Factory
 {
     /**
      * Create a new CreateSalesInvoicePayload instance.
-     *
-     * @return CreateSalesInvoicePayload
      */
     public function create(): CreateSalesInvoicePayload
     {
@@ -27,14 +25,14 @@ public function create(): CreateSalesInvoicePayload
             $this
                 ->mapIfNotNull(
                     'lines',
-                    fn(array $items) => InvoiceLineCollectionFactory::new($items)->create()
+                    fn (array $items) => InvoiceLineCollectionFactory::new($items)->create()
                 ),
             $this->get('profileId'),
             $this->get('memo'),
-            $this->mapIfNotNull('paymentDetails', fn(array $data) => PaymentDetails::fromArray($data)),
-            $this->mapIfNotNull('emailDetails', fn(array $data) => EmailDetails::fromArray($data)),
+            $this->mapIfNotNull('paymentDetails', fn (array $data) => PaymentDetails::fromArray($data)),
+            $this->mapIfNotNull('emailDetails', fn (array $data) => EmailDetails::fromArray($data)),
             $this->get('webhookUrl'),
-            $this->mapIfNotNull('discount', fn(array $data) => Discount::fromArray($data))
+            $this->mapIfNotNull('discount', fn (array $data) => Discount::fromArray($data))
         );
     }
 }
diff --git a/src/Factories/InvoiceLineCollectionFactory.php b/src/Factories/InvoiceLineCollectionFactory.php
index d90f10f3..e457ebef 100644
--- a/src/Factories/InvoiceLineCollectionFactory.php
+++ b/src/Factories/InvoiceLineCollectionFactory.php
@@ -9,7 +9,7 @@ class InvoiceLineCollectionFactory extends Factory
     public function create(): DataCollection
     {
         return new DataCollection(array_map(
-            fn(array $item) => InvoiceLineFactory::new($item)->create(),
+            fn (array $item) => InvoiceLineFactory::new($item)->create(),
             $this->data
         ));
     }
diff --git a/src/Factories/InvoiceLineFactory.php b/src/Factories/InvoiceLineFactory.php
index bd929792..bb5a2c2b 100644
--- a/src/Factories/InvoiceLineFactory.php
+++ b/src/Factories/InvoiceLineFactory.php
@@ -14,7 +14,7 @@ public function create(): InvoiceLine
             $this->get('quantity'),
             $this->get('vatRate'),
             MoneyFactory::new($this->get('unitPrice'))->create(),
-            $this->mapIfNotNull('discount', fn(array $data) => Discount::fromArray($data))
+            $this->mapIfNotNull('discount', fn (array $data) => Discount::fromArray($data))
         );
     }
 }
diff --git a/src/Factories/UpdateSalesInvoicePayloadFactory.php b/src/Factories/UpdateSalesInvoicePayloadFactory.php
index 005780d2..e0f323c2 100644
--- a/src/Factories/UpdateSalesInvoicePayloadFactory.php
+++ b/src/Factories/UpdateSalesInvoicePayloadFactory.php
@@ -2,17 +2,15 @@
 
 namespace Mollie\Api\Factories;
 
-use Mollie\Api\Http\Payload\UpdateSalesInvoicePayload;
-use Mollie\Api\Http\Payload\PaymentDetails;
-use Mollie\Api\Http\Payload\EmailDetails;
 use Mollie\Api\Http\Payload\Discount;
+use Mollie\Api\Http\Payload\EmailDetails;
+use Mollie\Api\Http\Payload\PaymentDetails;
+use Mollie\Api\Http\Payload\UpdateSalesInvoicePayload;
 
 class UpdateSalesInvoicePayloadFactory extends Factory
 {
     /**
      * Create a new UpdateSalesInvoicePayload instance.
-     *
-     * @return UpdateSalesInvoicePayload
      */
     public function create(): UpdateSalesInvoicePayload
     {
@@ -21,16 +19,16 @@ public function create(): UpdateSalesInvoicePayload
             $this->get('recipientIdentifier'),
             $this->get('paymentTerm'),
             $this->get('memo'),
-            $this->mapIfNotNull('paymentDetails', fn(array $data) => PaymentDetails::fromArray($data)),
-            $this->mapIfNotNull('emailDetails', fn(array $data) => EmailDetails::fromArray($data)),
-            $this->mapIfNotNull('recipient', fn(array $data) => RecipientFactory::new($data)->create()),
+            $this->mapIfNotNull('paymentDetails', fn (array $data) => PaymentDetails::fromArray($data)),
+            $this->mapIfNotNull('emailDetails', fn (array $data) => EmailDetails::fromArray($data)),
+            $this->mapIfNotNull('recipient', fn (array $data) => RecipientFactory::new($data)->create()),
             $this
                 ->mapIfNotNull(
                     'lines',
-                    fn(array $items) => InvoiceLineCollectionFactory::new($items)->create()
+                    fn (array $items) => InvoiceLineCollectionFactory::new($items)->create()
                 ),
             $this->get('webhookUrl'),
-            $this->mapIfNotNull('discount', fn(array $data) => Discount::fromArray($data))
+            $this->mapIfNotNull('discount', fn (array $data) => Discount::fromArray($data))
         );
     }
 }
diff --git a/src/Http/Payload/EmailDetails.php b/src/Http/Payload/EmailDetails.php
index be78009d..48bb178a 100644
--- a/src/Http/Payload/EmailDetails.php
+++ b/src/Http/Payload/EmailDetails.php
@@ -8,6 +8,7 @@
 class EmailDetails implements DataProvider
 {
     use ComposableFromArray;
+
     public string $subject;
 
     public string $body;
diff --git a/src/Http/Requests/CreateSalesInvoiceRequest.php b/src/Http/Requests/CreateSalesInvoiceRequest.php
index 18168770..0bf03545 100644
--- a/src/Http/Requests/CreateSalesInvoiceRequest.php
+++ b/src/Http/Requests/CreateSalesInvoiceRequest.php
@@ -13,6 +13,7 @@ class CreateSalesInvoiceRequest extends ResourceHydratableRequest implements Has
     use HasJsonPayload;
 
     protected static string $method = Method::POST;
+
     public static string $targetResourceClass = SalesInvoice::class;
 
     private CreateSalesInvoicePayload $payload;
diff --git a/src/Http/Requests/UpdateSalesInvoiceRequest.php b/src/Http/Requests/UpdateSalesInvoiceRequest.php
index 1584378d..421eb198 100644
--- a/src/Http/Requests/UpdateSalesInvoiceRequest.php
+++ b/src/Http/Requests/UpdateSalesInvoiceRequest.php
@@ -13,9 +13,11 @@ class UpdateSalesInvoiceRequest extends ResourceHydratableRequest implements Has
     use HasJsonPayload;
 
     protected static string $method = Method::PATCH;
+
     public static string $targetResourceClass = SalesInvoice::class;
 
     private string $id;
+
     private UpdateSalesInvoicePayload $payload;
 
     public function __construct(string $id, UpdateSalesInvoicePayload $payload)
diff --git a/src/MollieApiClient.php b/src/MollieApiClient.php
index 77935bc6..7ffb52af 100644
--- a/src/MollieApiClient.php
+++ b/src/MollieApiClient.php
@@ -32,6 +32,7 @@
 use Mollie\Api\EndpointCollection\ProfileEndpointCollection;
 use Mollie\Api\EndpointCollection\ProfileMethodEndpointCollection;
 use Mollie\Api\EndpointCollection\RefundEndpointCollection;
+use Mollie\Api\EndpointCollection\SalesInvoiceEndpointCollection;
 use Mollie\Api\EndpointCollection\SessionEndpointCollection;
 use Mollie\Api\EndpointCollection\SettlementCaptureEndpointCollection;
 use Mollie\Api\EndpointCollection\SettlementChargebackEndpointCollection;
@@ -42,7 +43,6 @@
 use Mollie\Api\EndpointCollection\SubscriptionPaymentEndpointCollection;
 use Mollie\Api\EndpointCollection\TerminalEndpointCollection;
 use Mollie\Api\EndpointCollection\WalletEndpointCollection;
-use Mollie\Api\EndpointCollection\SalesInvoiceEndpointCollection;
 use Mollie\Api\Helpers\Url;
 use Mollie\Api\Http\Adapter\MollieHttpAdapterPicker;
 use Mollie\Api\Idempotency\DefaultIdempotencyKeyGenerator;
diff --git a/src/Resources/SalesInvoice.php b/src/Resources/SalesInvoice.php
index 432d0cde..58b48917 100644
--- a/src/Resources/SalesInvoice.php
+++ b/src/Resources/SalesInvoice.php
@@ -60,6 +60,7 @@ class SalesInvoice extends BaseResource
      * @var object
      */
     public $paymentDetails;
+
     /**
      * @var object
      */
diff --git a/src/Traits/HasEndpoints.php b/src/Traits/HasEndpoints.php
index 22d339a0..a6de71cf 100644
--- a/src/Traits/HasEndpoints.php
+++ b/src/Traits/HasEndpoints.php
@@ -28,6 +28,7 @@
 use Mollie\Api\EndpointCollection\ProfileEndpointCollection;
 use Mollie\Api\EndpointCollection\ProfileMethodEndpointCollection;
 use Mollie\Api\EndpointCollection\RefundEndpointCollection;
+use Mollie\Api\EndpointCollection\SalesInvoiceEndpointCollection;
 use Mollie\Api\EndpointCollection\SessionEndpointCollection;
 use Mollie\Api\EndpointCollection\SettlementCaptureEndpointCollection;
 use Mollie\Api\EndpointCollection\SettlementChargebackEndpointCollection;
@@ -38,7 +39,6 @@
 use Mollie\Api\EndpointCollection\SubscriptionPaymentEndpointCollection;
 use Mollie\Api\EndpointCollection\TerminalEndpointCollection;
 use Mollie\Api\EndpointCollection\WalletEndpointCollection;
-use Mollie\Api\EndpointCollection\SalesInvoiceEndpointCollection;
 use Mollie\Api\MollieApiClient;
 
 /**
diff --git a/src/Types/PaymentTerm.php b/src/Types/PaymentTerm.php
index 9b9e4372..7691a2e0 100644
--- a/src/Types/PaymentTerm.php
+++ b/src/Types/PaymentTerm.php
@@ -5,10 +5,16 @@
 class PaymentTerm
 {
     const DAYS_7 = '7 days';
+
     const DAYS_14 = '14 days';
+
     const DAYS_30 = '30 days';
+
     const DAYS_45 = '45 days';
+
     const DAYS_60 = '60 days';
+
     const DAYS_90 = '90 days';
+
     const DAYS_120 = '120 days';
 }
diff --git a/src/Types/RecipientType.php b/src/Types/RecipientType.php
index c6befc02..e40f617f 100644
--- a/src/Types/RecipientType.php
+++ b/src/Types/RecipientType.php
@@ -5,5 +5,6 @@
 class RecipientType
 {
     const CONSUMER = 'consumer';
+
     const BUSINESS = 'business';
 }
diff --git a/src/Types/VatMode.php b/src/Types/VatMode.php
index 4178502b..da566eca 100644
--- a/src/Types/VatMode.php
+++ b/src/Types/VatMode.php
@@ -5,5 +5,6 @@
 class VatMode
 {
     const EXCLUSIVE = 'exclusive';
+
     const INCLUSIVE = 'inclusive';
 }
diff --git a/src/Types/VatScheme.php b/src/Types/VatScheme.php
index f331c17b..d51cd3e4 100644
--- a/src/Types/VatScheme.php
+++ b/src/Types/VatScheme.php
@@ -5,5 +5,6 @@
 class VatScheme
 {
     const STANDARD = 'standard';
+
     const ONE_STOP_SHOP = 'one-stop-shop';
 }
diff --git a/tests/EndpointCollection/SalesInvoiceEndpointCollectionTest.php b/tests/EndpointCollection/SalesInvoiceEndpointCollectionTest.php
index 8886e132..3c9b9312 100644
--- a/tests/EndpointCollection/SalesInvoiceEndpointCollectionTest.php
+++ b/tests/EndpointCollection/SalesInvoiceEndpointCollectionTest.php
@@ -52,7 +52,7 @@ public function create()
                 1,
                 '21',
                 new Money('EUR', '10,00'),
-            )
+            ),
         ];
 
         // Create a sales invoice
diff --git a/tests/Http/Requests/CreateSalesInvoiceRequestTest.php b/tests/Http/Requests/CreateSalesInvoiceRequestTest.php
index 60f71ef5..f8edc7a4 100644
--- a/tests/Http/Requests/CreateSalesInvoiceRequestTest.php
+++ b/tests/Http/Requests/CreateSalesInvoiceRequestTest.php
@@ -33,7 +33,7 @@ public function it_creates_sales_invoice()
                 1,
                 '21',
                 new Money('EUR', '10,00'),
-            )
+            ),
         ];
 
         // Create a sales invoice
@@ -89,7 +89,7 @@ public function it_resolves_correct_resource_path()
                     1,
                     '21',
                     new Money('EUR', '10,00'),
-                )
+                ),
             ])
         ));