diff --git a/clients/google-api-services-cloudchannel/v1/2.0.0/README.md b/clients/google-api-services-cloudchannel/v1/2.0.0/README.md
index fb5cc6301fc..03b90a280a2 100644
--- a/clients/google-api-services-cloudchannel/v1/2.0.0/README.md
+++ b/clients/google-api-services-cloudchannel/v1/2.0.0/README.md
@@ -22,7 +22,7 @@ Add the following lines to your `pom.xml` file:
     <dependency>
       <groupId>com.google.apis</groupId>
       <artifactId>google-api-services-cloudchannel</artifactId>
-      <version>v1-rev20251202-2.0.0</version>
+      <version>v1-rev20260608-2.0.0</version>
     </dependency>
   </dependencies>
 </project>
@@ -35,7 +35,7 @@ repositories {
   mavenCentral()
 }
 dependencies {
-  implementation 'com.google.apis:google-api-services-cloudchannel:v1-rev20251202-2.0.0'
+  implementation 'com.google.apis:google-api-services-cloudchannel:v1-rev20260608-2.0.0'
 }
 ```
 
diff --git a/clients/google-api-services-cloudchannel/v1/2.0.0/com/google/api/services/cloudchannel/v1/model/GoogleCloudChannelV1Customer.java b/clients/google-api-services-cloudchannel/v1/2.0.0/com/google/api/services/cloudchannel/v1/model/GoogleCloudChannelV1Customer.java
index c9f03b17335..68b227f1860 100644
--- a/clients/google-api-services-cloudchannel/v1/2.0.0/com/google/api/services/cloudchannel/v1/model/GoogleCloudChannelV1Customer.java
+++ b/clients/google-api-services-cloudchannel/v1/2.0.0/com/google/api/services/cloudchannel/v1/model/GoogleCloudChannelV1Customer.java
@@ -79,7 +79,9 @@ public final class GoogleCloudChannelV1Customer extends com.google.api.client.js
 
   /**
    * Optional. Indicate if a customer is attesting about the correctness of provided information.
-   * Only required if creating a GCP Entitlement.
+   * Only required if creating a GCP Entitlement. NOTE: This field will be mandatory for all new GCP
+   * customers starting Aug 31st, 2026 and this field will also be required for all existing
+   * customers purchasing new GCP Entitlements.
    * The value may be {@code null}.
    */
   @com.google.api.client.util.Key
@@ -254,7 +256,9 @@ public GoogleCloudChannelV1Customer setCreateTime(String createTime) {
 
   /**
    * Optional. Indicate if a customer is attesting about the correctness of provided information.
-   * Only required if creating a GCP Entitlement.
+   * Only required if creating a GCP Entitlement. NOTE: This field will be mandatory for all new GCP
+   * customers starting Aug 31st, 2026 and this field will also be required for all existing
+   * customers purchasing new GCP Entitlements.
    * @return value or {@code null} for none
    */
   public java.lang.String getCustomerAttestationState() {
@@ -263,7 +267,9 @@ public java.lang.String getCustomerAttestationState() {
 
   /**
    * Optional. Indicate if a customer is attesting about the correctness of provided information.
-   * Only required if creating a GCP Entitlement.
+   * Only required if creating a GCP Entitlement. NOTE: This field will be mandatory for all new GCP
+   * customers starting Aug 31st, 2026 and this field will also be required for all existing
+   * customers purchasing new GCP Entitlements.
    * @param customerAttestationState customerAttestationState or {@code null} for none
    */
   public GoogleCloudChannelV1Customer setCustomerAttestationState(java.lang.String customerAttestationState) {
diff --git a/clients/google-api-services-cloudchannel/v1/2.0.0/pom.xml b/clients/google-api-services-cloudchannel/v1/2.0.0/pom.xml
index baf67832f8b..48cbf4fec7f 100644
--- a/clients/google-api-services-cloudchannel/v1/2.0.0/pom.xml
+++ b/clients/google-api-services-cloudchannel/v1/2.0.0/pom.xml
@@ -8,8 +8,8 @@
 
   <groupId>com.google.apis</groupId>
   <artifactId>google-api-services-cloudchannel</artifactId>
-  <version>v1-rev20251202-2.0.0</version>
-  <name>Cloud Channel API v1-rev20251202-2.0.0</name>
+  <version>v1-rev20260608-2.0.0</version>
+  <name>Cloud Channel API v1-rev20260608-2.0.0</name>
   <packaging>jar</packaging>
 
   <inceptionYear>2011</inceptionYear>
diff --git a/clients/google-api-services-cloudchannel/v1/README.md b/clients/google-api-services-cloudchannel/v1/README.md
index fb5cc6301fc..03b90a280a2 100644
--- a/clients/google-api-services-cloudchannel/v1/README.md
+++ b/clients/google-api-services-cloudchannel/v1/README.md
@@ -22,7 +22,7 @@ Add the following lines to your `pom.xml` file:
     <dependency>
       <groupId>com.google.apis</groupId>
       <artifactId>google-api-services-cloudchannel</artifactId>
-      <version>v1-rev20251202-2.0.0</version>
+      <version>v1-rev20260608-2.0.0</version>
     </dependency>
   </dependencies>
 </project>
@@ -35,7 +35,7 @@ repositories {
   mavenCentral()
 }
 dependencies {
-  implementation 'com.google.apis:google-api-services-cloudchannel:v1-rev20251202-2.0.0'
+  implementation 'com.google.apis:google-api-services-cloudchannel:v1-rev20260608-2.0.0'
 }
 ```