diff --git a/UPGRADE-API-1.13.md b/UPGRADE-API-1.13.md
index 0e398dbff9..75475a1d9f 100644
--- a/UPGRADE-API-1.13.md
+++ b/UPGRADE-API-1.13.md
@@ -1,3 +1,13 @@
+# UPGRADE FROM `v1.13.6` TO `v1.13.7`
+
+1. The default order attribute has been added to the endpoint GET `/admin/customers` endpoint
+
+    ```diff
+    +   <attribute name="order">
+    +       <attribute name="createdAt">DESC</attribute>
+    +   </attribute>
+    ```
+
 # UPGRADE FROM `v1.13.3` TO `v1.13.4`
 
 1. The `api/v2/shop/adjustments/{id}` endpoint has been disabled.
diff --git a/src/Sylius/Bundle/ApiBundle/Resources/config/api_resources/Customer.xml b/src/Sylius/Bundle/ApiBundle/Resources/config/api_resources/Customer.xml
index d58ab8109f..200aa04589 100644
--- a/src/Sylius/Bundle/ApiBundle/Resources/config/api_resources/Customer.xml
+++ b/src/Sylius/Bundle/ApiBundle/Resources/config/api_resources/Customer.xml
@@ -31,6 +31,9 @@
                 <attribute name="filters">
                     <attribute>sylius.api.customer_group_filter</attribute>
                 </attribute>
+                <attribute name="order">
+                    <attribute name="createdAt">DESC</attribute>
+                </attribute>
             </collectionOperation>
 
             <collectionOperation name="admin_post">