diff --git a/lib/Fulfillment.php b/lib/Fulfillment.php
index 18138d2..ec9cd75 100644
--- a/lib/Fulfillment.php
+++ b/lib/Fulfillment.php
@@ -24,6 +24,7 @@
  * @method array complete()     Complete a fulfillment
  * @method array open()         Open a pending fulfillment
  * @method array cancel()       Cancel a fulfillment
+ * @method array update_tracking(array $data) Updates the tracking information for a fulfillment.
  *
  */
 class Fulfillment extends ShopifyResource
@@ -47,5 +48,6 @@ class Fulfillment extends ShopifyResource
         'complete',
         'open',
         'cancel',
+        'update_tracking',
     );
-}
\ No newline at end of file
+}
diff --git a/lib/ShopifySDK.php b/lib/ShopifySDK.php
index 4c63665..7dffb55 100644
--- a/lib/ShopifySDK.php
+++ b/lib/ShopifySDK.php
@@ -85,6 +85,7 @@
  * @property-read DiscountCode $DiscountCode
  * @property-read DraftOrder $DraftOrder
  * @property-read Event $Event
+ * @property-read Fulfillment $Fulfillment
  * @property-read FulfillmentService $FulfillmentService
  * @property-read GiftCard $GiftCard
  * @property-read InventoryItem $InventoryItem
@@ -131,6 +132,7 @@
  * @method DraftOrder DraftOrder(integer $id = null)
  * @method DiscountCode DiscountCode(integer $id = null)
  * @method Event Event(integer $id = null)
+ * @method Fulfillment Fulfillment(integer $id = null)
  * @method FulfillmentService FulfillmentService(integer $id = null)
  * @method FulfillmentOrder FulfillmentOrder(integer $id = null)
  * @method GiftCard GiftCard(integer $id = null)
@@ -186,6 +188,7 @@ class ShopifySDK
         'DiscountCode',
         'DraftOrder',
         'Event',
+        'Fulfillment',
         'FulfillmentService',
         'FulfillmentOrder',
         'GiftCard',