diff --git a/changes.md b/changes.md
index 21c67f3f91..2b5caacaa4 100644
--- a/changes.md
+++ b/changes.md
@@ -34,6 +34,7 @@
 <details>
 <summary>Added Enum(s)</summary>
 
+- added enum `customer-group` to type `ExtensionResourceTypeId`
 - added enum `product-tailoring` to type `MessageSubscriptionResourceTypeId`
 - added enum `product-tailoring` to type `ResourceTypeId`
 </details>
diff --git a/commercetools/commercetools-sdk-java-api/src/main/java-generated/com/commercetools/api/models/extension/ExtensionResourceTypeId.java b/commercetools/commercetools-sdk-java-api/src/main/java-generated/com/commercetools/api/models/extension/ExtensionResourceTypeId.java
index 2f469c12f8..8448aaa365 100644
--- a/commercetools/commercetools-sdk-java-api/src/main/java-generated/com/commercetools/api/models/extension/ExtensionResourceTypeId.java
+++ b/commercetools/commercetools-sdk-java-api/src/main/java-generated/com/commercetools/api/models/extension/ExtensionResourceTypeId.java
@@ -29,6 +29,9 @@ public interface ExtensionResourceTypeId extends JsonEnum {
     <p>Extension triggered for operations on Customers.</p> */
     ExtensionResourceTypeId CUSTOMER = ExtensionResourceTypeIdEnum.CUSTOMER;
     /**
+    <p>Extension triggered for operations on CustomerGroups.</p> */
+    ExtensionResourceTypeId CUSTOMER_GROUP = ExtensionResourceTypeIdEnum.CUSTOMER_GROUP;
+    /**
     <p>Extension triggered for operations on QuoteRequests.</p> */
     ExtensionResourceTypeId QUOTE_REQUEST = ExtensionResourceTypeIdEnum.QUOTE_REQUEST;
     /**
@@ -68,6 +71,11 @@ enum ExtensionResourceTypeIdEnum implements ExtensionResourceTypeId {
          */
         CUSTOMER("customer"),
 
+        /**
+         * customer-group
+         */
+        CUSTOMER_GROUP("customer-group"),
+
         /**
          * quote-request
          */
diff --git a/references.txt b/references.txt
index 9216da245c..b5a0b9278b 100644
--- a/references.txt
+++ b/references.txt
@@ -308,3 +308,4 @@ ce2753aafee0b1d96970abb600b606748ce40568
 d947f454821e0834a2c8a8605d4a0f3347c11d4e
 efc70952597a3160e6bb47891894b109bd82b7c3
 4ee8b39787eb0f0b2d025520acdaa022122bd617
+c77ec902f368c2c31505fcb65a835ce148350077