diff --git a/CHANGELOG.md b/CHANGELOG.md
index 487b603..efdaee6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,10 @@
 CHANGELOG
 =========
 
+6.21.0
+-----
+* Added default domain contacts endpoint
+
 6.19.0
 -----
 * Added includes to Domain
diff --git a/src/Repository/DomainDefaults/ContactRepository.php b/src/Repository/DomainDefaults/ContactRepository.php
new file mode 100644
index 0000000..b0e40ab
--- /dev/null
+++ b/src/Repository/DomainDefaults/ContactRepository.php
@@ -0,0 +1,35 @@
+<?php
+
+namespace Transip\Api\Library\Repository\DomainDefaults;
+
+use Transip\Api\Library\Entity\Domain\WhoisContact;
+use Transip\Api\Library\Repository\ApiRepository;
+
+class ContactRepository extends ApiRepository
+{
+    public const RESOURCE_NAME = 'domain-defaults/contacts';
+
+    /**
+     * @return WhoisContact[]
+     */
+    public function getAll(): array
+    {
+        $contacts      = [];
+        $response      = $this->httpClient->get($this->getResourceUrl());
+        $contactsArray = $this->getParameterFromResponse($response, 'contacts');
+
+        foreach ($contactsArray as $contactArray) {
+            $contacts[] = new WhoisContact($contactArray);
+        }
+
+        return $contacts;
+    }
+
+    /**
+     * @param WhoisContact[] $contacts
+     */
+    public function update(array $contacts): void
+    {
+        $this->httpClient->put($this->getResourceUrl(), ['contacts' => $contacts]);
+    }
+}
diff --git a/src/TransipAPI.php b/src/TransipAPI.php
index 627c93a..167f941 100644
--- a/src/TransipAPI.php
+++ b/src/TransipAPI.php
@@ -17,6 +17,7 @@
 use Transip\Api\Library\Repository\Colocation\IpAddressRepository as ColoIpAddressRepository;
 use Transip\Api\Library\Repository\Colocation\RemoteHandsRepository as ColoRemoteHandsRepository;
 use Transip\Api\Library\Repository\Colocation\AccessRequestRepository as ColoAccessRequestRepository;
+use Transip\Api\Library\Repository\DomainDefaults\ContactRepository as DefaultContactRepository;
 use Transip\Api\Library\Repository\DomainRepository;
 use Transip\Api\Library\Repository\DomainAvailabilityRepository;
 use Transip\Api\Library\Repository\Domain\ActionRepository as DomainActionRepository;
@@ -71,7 +72,7 @@
 class TransipAPI
 {
     public const TRANSIP_API_ENDPOINT = "https://api.transip.nl/v6";
-    public const TRANSIP_API_LIBRARY_VERSION = "6.19.0";
+    public const TRANSIP_API_LIBRARY_VERSION = "6.21.0";
     public const TRANSIP_API_DEMO_TOKEN = "eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImp0aSI6ImN3MiFSbDU2eDNoUnkjelM4YmdOIn0.eyJpc3MiOiJhcGkudHJhbnNpcC5ubCIsImF1ZCI6ImFwaS50cmFuc2lwLm5sIiwianRpIjoiY3cyIVJsNTZ4M2hSeSN6UzhiZ04iLCJpYXQiOjE1ODIyMDE1NTAsIm5iZiI6MTU4MjIwMTU1MCwiZXhwIjoyMTE4NzQ1NTUwLCJjaWQiOiI2MDQ0OSIsInJvIjpmYWxzZSwiZ2siOmZhbHNlLCJrdiI6dHJ1ZX0.fYBWV4O5WPXxGuWG-vcrFWqmRHBm9yp0PHiYh_oAWxWxCaZX2Rf6WJfc13AxEeZ67-lY0TA2kSaOCp0PggBb_MGj73t4cH8gdwDJzANVxkiPL1Saqiw2NgZ3IHASJnisUWNnZp8HnrhLLe5ficvb1D9WOUOItmFC2ZgfGObNhlL2y-AMNLT4X7oNgrNTGm-mespo0jD_qH9dK5_evSzS3K8o03gu6p19jxfsnIh8TIVRvNdluYC2wo4qDl5EW5BEZ8OSuJ121ncOT1oRpzXB0cVZ9e5_UVAEr9X3f26_Eomg52-PjrgcRJ_jPIUYbrlo06KjjX2h0fzMr21ZE023Gw";
 
     /**
@@ -231,6 +232,11 @@ public function domainWhitelabel(): DomainWhitelabelRepository
         return new DomainWhitelabelRepository($this->httpClient);
     }
 
+    public function defaultDomainContacts(): DefaultContactRepository
+    {
+        return new DefaultContactRepository($this->httpClient);
+    }
+
     /**
      * @deprecated deprecated since version 6.8.0, use trafficPool instead
      */