diff --git a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/README.md b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/README.md
index 37f3a5c2ee6..23de5550ae8 100644
--- a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/README.md
+++ b/clients/google-api-services-cloudnumberregistry/v1alpha/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-cloudnumberregistry</artifactId>
-      <version>v1alpha-rev20260527-2.0.0</version>
+      <version>v1alpha-rev20260708-2.0.0</version>
     </dependency>
   </dependencies>
 </project>
@@ -35,7 +35,7 @@ repositories {
   mavenCentral()
 }
 dependencies {
-  implementation 'com.google.apis:google-api-services-cloudnumberregistry:v1alpha-rev20260527-2.0.0'
+  implementation 'com.google.apis:google-api-services-cloudnumberregistry:v1alpha-rev20260708-2.0.0'
 }
 ```
 
diff --git a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/Realm.java b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/Realm.java
index e8e47d64bad..9760fa0100e 100644
--- a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/Realm.java
+++ b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/com/google/api/services/cloudnumberregistry/v1alpha/model/Realm.java
@@ -68,7 +68,7 @@ public final class Realm extends com.google.api.client.json.GenericJson {
   private java.util.Map<String, java.lang.String> labels;
 
   /**
-   * Required. Management type of the Realm.
+   * Optional. Management type of the Realm.
    * The value may be {@code null}.
    */
   @com.google.api.client.util.Key
@@ -188,7 +188,7 @@ public Realm setLabels(java.util.Map<String, java.lang.String> labels) {
   }
 
   /**
-   * Required. Management type of the Realm.
+   * Optional. Management type of the Realm.
    * @return value or {@code null} for none
    */
   public java.lang.String getManagementType() {
@@ -196,7 +196,7 @@ public java.lang.String getManagementType() {
   }
 
   /**
-   * Required. Management type of the Realm.
+   * Optional. Management type of the Realm.
    * @param managementType managementType or {@code null} for none
    */
   public Realm setManagementType(java.lang.String managementType) {
diff --git a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/pom.xml b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/pom.xml
index 359f157390e..5f62406e9bc 100644
--- a/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/pom.xml
+++ b/clients/google-api-services-cloudnumberregistry/v1alpha/2.0.0/pom.xml
@@ -8,8 +8,8 @@
 
   <groupId>com.google.apis</groupId>
   <artifactId>google-api-services-cloudnumberregistry</artifactId>
-  <version>v1alpha-rev20260527-2.0.0</version>
-  <name>Cloud Number Registry API v1alpha-rev20260527-2.0.0</name>
+  <version>v1alpha-rev20260708-2.0.0</version>
+  <name>Cloud Number Registry API v1alpha-rev20260708-2.0.0</name>
   <packaging>jar</packaging>
 
   <inceptionYear>2011</inceptionYear>
diff --git a/clients/google-api-services-cloudnumberregistry/v1alpha/README.md b/clients/google-api-services-cloudnumberregistry/v1alpha/README.md
index 37f3a5c2ee6..23de5550ae8 100644
--- a/clients/google-api-services-cloudnumberregistry/v1alpha/README.md
+++ b/clients/google-api-services-cloudnumberregistry/v1alpha/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-cloudnumberregistry</artifactId>
-      <version>v1alpha-rev20260527-2.0.0</version>
+      <version>v1alpha-rev20260708-2.0.0</version>
     </dependency>
   </dependencies>
 </project>
@@ -35,7 +35,7 @@ repositories {
   mavenCentral()
 }
 dependencies {
-  implementation 'com.google.apis:google-api-services-cloudnumberregistry:v1alpha-rev20260527-2.0.0'
+  implementation 'com.google.apis:google-api-services-cloudnumberregistry:v1alpha-rev20260708-2.0.0'
 }
 ```