diff --git a/src/ComplexTypes/Customs.php b/src/ComplexTypes/Customs.php
index f94dbbe..7cbbb51 100644
--- a/src/ComplexTypes/Customs.php
+++ b/src/ComplexTypes/Customs.php
@@ -23,6 +23,11 @@ class Customs extends BaseType
      */
     protected $Currency = null;
 
+    /**
+     * @var string
+     */
+    protected $EAN = null;
+
     /**
      * @var string
      */
@@ -48,6 +53,11 @@ class Customs extends BaseType
      */
     protected $LicenseNr = null;
 
+    /**
+     * @var string
+     */
+    protected $ProductURL = null;
+
     /**
      * @var string
      */
@@ -58,11 +68,13 @@ class Customs extends BaseType
      * @param string $CertificateNr
      * @param ArrayOfContent $Content
      * @param string $Currency
+     * @param string $EAN
      * @param string $HandleAsNonDeliverable
      * @param string $Invoice
      * @param string $InvoiceNr
      * @param string $License
      * @param string $LicenseNr
+     * @param string $ProductURL
      * @param string $ShipmentType
      */
     public function __construct(
@@ -70,22 +82,26 @@ public function __construct(
         $CertificateNr,
         ArrayOfContent $Content,
         $Currency,
+        $EAN,
         $HandleAsNonDeliverable,
         $Invoice,
         $InvoiceNr,
         $License,
         $LicenseNr,
+        $ProductURL,
         $ShipmentType
     ) {
         $this->setCertificate($Certificate);
         $this->setCertificateNr($CertificateNr);
         $this->setContent($Content);
         $this->setCurrency($Currency);
+        $this->setEAN($EAN);
         $this->setHandleAsNonDeliverable($HandleAsNonDeliverable);
         $this->setInvoice($Invoice);
         $this->setInvoiceNr($InvoiceNr);
         $this->setLicense($License);
         $this->setLicenseNr($LicenseNr);
+        $this->setProductURL($ProductURL);
         $this->setShipmentType($ShipmentType);
     }
 
@@ -161,6 +177,24 @@ public function setCurrency($Currency)
         return $this;
     }
 
+    /**
+     * @return string
+     */
+    public function getEAN()
+    {
+        return $this->EAN;
+    }
+
+    /**
+     * @param string $EAN
+     * @return Customs
+     */
+    public function setEAN($EAN)
+    {
+        $this->EAN = $EAN;
+        return $this;
+    }
+
     /**
      * @return string
      */
@@ -215,6 +249,24 @@ public function setInvoiceNr($InvoiceNr)
         return $this;
     }
 
+    /**
+     * @return string
+     */
+    public function getProductURL()
+    {
+        return $this->ProductURL;
+    }
+
+    /**
+     * @param string $ProductURL
+     * @return Customs
+     */
+    public function setProductURL($ProductURL)
+    {
+        $this->ProductURL = $ProductURL;
+        return $this;
+    }
+
     /**
      * @return string
      */
diff --git a/src/ComplexTypes/Shipment.php b/src/ComplexTypes/Shipment.php
index bc527c2..c67918a 100644
--- a/src/ComplexTypes/Shipment.php
+++ b/src/ComplexTypes/Shipment.php
@@ -148,6 +148,16 @@ class Shipment extends BaseType
      */
     protected $ReturnReference = null;
 
+    /**
+     * @var string
+     */
+    protected $DeliveryTimestampStart = null;
+
+    /**
+     * @var string
+     */
+    protected $DeliveryTimestampEnd = null;
+
     /**
      * @param ArrayOfAddress $Addresses
      * @param string $Barcode
@@ -178,6 +188,8 @@ class Shipment extends BaseType
      * @param string $Remark Optional.
      * @param string $ReturnBarcode Optional.
      * @param string $ReturnReference Optional.
+     * @param string $DeliveryTimestampStart Optional.
+     * @param string $DeliveryTimestampEnd Optional.
      */
     public function __construct(
         ArrayOfAddress $Addresses,
@@ -208,7 +220,9 @@ public function __construct(
         $ReferenceCollect = null,
         $Remark = null,
         $ReturnBarcode = null,
-        $ReturnReference = null
+        $ReturnReference = null,
+        $DeliveryTimestampStart = null,
+        $DeliveryTimestampEnd = null
     ) {
         $this->setAddresses($Addresses);
         $this->setBarcode($Barcode);
@@ -241,6 +255,8 @@ public function __construct(
         $this->setRemark($Remark);
         $this->setReturnBarcode($ReturnBarcode);
         $this->setReturnReference($ReturnReference);
+        $this->setDeliveryTimestampStart($DeliveryTimestampStart);
+        $this->setDeliveryTimestampEnd($DeliveryTimestampEnd);
     }
 
     /**
@@ -764,4 +780,40 @@ public function setReturnReference($ReturnReference)
         $this->ReturnReference = $ReturnReference;
         return $this;
     }
+
+    /**
+     * @return string
+     */
+    public function getDeliveryTimestampStart()
+    {
+        return $this->DeliveryTimestampStart;
+    }
+
+    /**
+     * @param string $DeliveryTimestampStart
+     * @return Shipment
+     */
+    public function setDeliveryTimestampStart($DeliveryTimestampStart)
+    {
+        $this->DeliveryTimestampStart = $DeliveryTimestampStart;
+        return $this;
+    }
+
+    /**
+     * @return string
+     */
+    public function getDeliveryTimestampEnd()
+    {
+        return $this->DeliveryTimestampEnd;
+    }
+
+    /**
+     * @param string $DeliveryTimestampEnd
+     * @return Shipment
+     */
+    public function setDeliveryTimestampEnd($DeliveryTimestampEnd)
+    {
+        $this->DeliveryTimestampEnd = $DeliveryTimestampEnd;
+        return $this;
+    }
 }
diff --git a/src/LabellingClient.php b/src/LabellingClient.php
index 238edd9..d87d8e4 100644
--- a/src/LabellingClient.php
+++ b/src/LabellingClient.php
@@ -9,12 +9,12 @@ class LabellingClient extends BaseClient
     /**
      * @var string The URL of the production WSDL.
      */
-    const PRODUCTION_WSDL = 'https://api.postnl.nl/shipment/v2_0/label/soap.wsdl';
+	const PRODUCTION_WSDL = 'https://api.postnl.nl/shipment/v2_1/label/soap.wsdl';
 
     /**
      * @var string The URL of the sandbox WSDL.
      */
-    const SANDBOX_WSDL = 'https://api-sandbox.postnl.nl/shipment/v2_0/label/soap.wsdl';
+	const SANDBOX_WSDL = 'https://api-sandbox.postnl.nl/shipment/v2_1/label/soap.wsdl';
 
     /**
      * @var array The complex types used by this client.