diff --git a/clients/google-api-services-networksecurity/v1/2.0.0/README.md b/clients/google-api-services-networksecurity/v1/2.0.0/README.md
index 8027ff95ec7..2cf4ac72e22 100644
--- a/clients/google-api-services-networksecurity/v1/2.0.0/README.md
+++ b/clients/google-api-services-networksecurity/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-networksecurity</artifactId>
-      <version>v1-rev20260924-2.0.0</version>
+      <version>v1-rev20261011-2.0.0</version>
     </dependency>
   </dependencies>
 </project>
@@ -35,7 +35,7 @@ repositories {
   mavenCentral()
 }
 dependencies {
-  implementation 'com.google.apis:google-api-services-networksecurity:v1-rev20260924-2.0.0'
+  implementation 'com.google.apis:google-api-services-networksecurity:v1-rev20261011-2.0.0'
 }
 ```
 
diff --git a/clients/google-api-services-networksecurity/v1/2.0.0/com/google/api/services/networksecurity/v1/model/MTLSPolicy.java b/clients/google-api-services-networksecurity/v1/2.0.0/com/google/api/services/networksecurity/v1/model/MTLSPolicy.java
index 163b990cb5f..3f35b359645 100644
--- a/clients/google-api-services-networksecurity/v1/2.0.0/com/google/api/services/networksecurity/v1/model/MTLSPolicy.java
+++ b/clients/google-api-services-networksecurity/v1/2.0.0/com/google/api/services/networksecurity/v1/model/MTLSPolicy.java
@@ -47,6 +47,14 @@ public final class MTLSPolicy extends com.google.api.client.json.GenericJson {
   @com.google.api.client.util.Key
   private java.lang.String clientValidationMode;
 
+  /**
+   * A list of validation relaxations to apply when `client_validation_mode` is set to
+   * ALLOW_VALIDATION_RELAXATIONS.
+   * The value may be {@code null}.
+   */
+  @com.google.api.client.util.Key
+  private java.util.List<java.lang.String> clientValidationRelaxations;
+
   /**
    * Reference to the TrustConfig from certificatemanager.googleapis.com namespace. If specified,
    * the chain validation will be performed against certificates configured in the given
@@ -98,6 +106,25 @@ public MTLSPolicy setClientValidationMode(java.lang.String clientValidationMode)
     return this;
   }
 
+  /**
+   * A list of validation relaxations to apply when `client_validation_mode` is set to
+   * ALLOW_VALIDATION_RELAXATIONS.
+   * @return value or {@code null} for none
+   */
+  public java.util.List<java.lang.String> getClientValidationRelaxations() {
+    return clientValidationRelaxations;
+  }
+
+  /**
+   * A list of validation relaxations to apply when `client_validation_mode` is set to
+   * ALLOW_VALIDATION_RELAXATIONS.
+   * @param clientValidationRelaxations clientValidationRelaxations or {@code null} for none
+   */
+  public MTLSPolicy setClientValidationRelaxations(java.util.List<java.lang.String> clientValidationRelaxations) {
+    this.clientValidationRelaxations = clientValidationRelaxations;
+    return this;
+  }
+
   /**
    * Reference to the TrustConfig from certificatemanager.googleapis.com namespace. If specified,
    * the chain validation will be performed against certificates configured in the given
diff --git a/clients/google-api-services-networksecurity/v1/2.0.0/pom.xml b/clients/google-api-services-networksecurity/v1/2.0.0/pom.xml
index fe6bf40ce84..fa86b727e69 100644
--- a/clients/google-api-services-networksecurity/v1/2.0.0/pom.xml
+++ b/clients/google-api-services-networksecurity/v1/2.0.0/pom.xml
@@ -8,8 +8,8 @@
 
   <groupId>com.google.apis</groupId>
   <artifactId>google-api-services-networksecurity</artifactId>
-  <version>v1-rev20260924-2.0.0</version>
-  <name>Network Security API v1-rev20260924-2.0.0</name>
+  <version>v1-rev20261011-2.0.0</version>
+  <name>Network Security API v1-rev20261011-2.0.0</name>
   <packaging>jar</packaging>
 
   <inceptionYear>2011</inceptionYear>
diff --git a/clients/google-api-services-networksecurity/v1/README.md b/clients/google-api-services-networksecurity/v1/README.md
index 8027ff95ec7..2cf4ac72e22 100644
--- a/clients/google-api-services-networksecurity/v1/README.md
+++ b/clients/google-api-services-networksecurity/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-networksecurity</artifactId>
-      <version>v1-rev20260924-2.0.0</version>
+      <version>v1-rev20261011-2.0.0</version>
     </dependency>
   </dependencies>
 </project>
@@ -35,7 +35,7 @@ repositories {
   mavenCentral()
 }
 dependencies {
-  implementation 'com.google.apis:google-api-services-networksecurity:v1-rev20260924-2.0.0'
+  implementation 'com.google.apis:google-api-services-networksecurity:v1-rev20261011-2.0.0'
 }
 ```
 
diff --git a/clients/google-api-services-networksecurity/v1beta1/2.0.0/README.md b/clients/google-api-services-networksecurity/v1beta1/2.0.0/README.md
index f2c3be6a15a..19ff7e0aab1 100644
--- a/clients/google-api-services-networksecurity/v1beta1/2.0.0/README.md
+++ b/clients/google-api-services-networksecurity/v1beta1/2.0.0/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-networksecurity</artifactId>
-      <version>v1beta1-rev20260924-2.0.0</version>
+      <version>v1beta1-rev20261011-2.0.0</version>
     </dependency>
   </dependencies>
 </project>
@@ -35,7 +35,7 @@ repositories {
   mavenCentral()
 }
 dependencies {
-  implementation 'com.google.apis:google-api-services-networksecurity:v1beta1-rev20260924-2.0.0'
+  implementation 'com.google.apis:google-api-services-networksecurity:v1beta1-rev20261011-2.0.0'
 }
 ```
 
diff --git a/clients/google-api-services-networksecurity/v1beta1/2.0.0/com/google/api/services/networksecurity/v1beta1/model/MTLSPolicy.java b/clients/google-api-services-networksecurity/v1beta1/2.0.0/com/google/api/services/networksecurity/v1beta1/model/MTLSPolicy.java
index e9abe94f7d8..7d94c43e939 100644
--- a/clients/google-api-services-networksecurity/v1beta1/2.0.0/com/google/api/services/networksecurity/v1beta1/model/MTLSPolicy.java
+++ b/clients/google-api-services-networksecurity/v1beta1/2.0.0/com/google/api/services/networksecurity/v1beta1/model/MTLSPolicy.java
@@ -47,6 +47,14 @@ public final class MTLSPolicy extends com.google.api.client.json.GenericJson {
   @com.google.api.client.util.Key
   private java.lang.String clientValidationMode;
 
+  /**
+   * A list of validation relaxations to apply when `client_validation_mode` is set to
+   * ALLOW_VALIDATION_RELAXATIONS.
+   * The value may be {@code null}.
+   */
+  @com.google.api.client.util.Key
+  private java.util.List<java.lang.String> clientValidationRelaxations;
+
   /**
    * Reference to the TrustConfig from certificatemanager.googleapis.com namespace. If specified,
    * the chain validation will be performed against certificates configured in the given
@@ -98,6 +106,25 @@ public MTLSPolicy setClientValidationMode(java.lang.String clientValidationMode)
     return this;
   }
 
+  /**
+   * A list of validation relaxations to apply when `client_validation_mode` is set to
+   * ALLOW_VALIDATION_RELAXATIONS.
+   * @return value or {@code null} for none
+   */
+  public java.util.List<java.lang.String> getClientValidationRelaxations() {
+    return clientValidationRelaxations;
+  }
+
+  /**
+   * A list of validation relaxations to apply when `client_validation_mode` is set to
+   * ALLOW_VALIDATION_RELAXATIONS.
+   * @param clientValidationRelaxations clientValidationRelaxations or {@code null} for none
+   */
+  public MTLSPolicy setClientValidationRelaxations(java.util.List<java.lang.String> clientValidationRelaxations) {
+    this.clientValidationRelaxations = clientValidationRelaxations;
+    return this;
+  }
+
   /**
    * Reference to the TrustConfig from certificatemanager.googleapis.com namespace. If specified,
    * the chain validation will be performed against certificates configured in the given
diff --git a/clients/google-api-services-networksecurity/v1beta1/2.0.0/pom.xml b/clients/google-api-services-networksecurity/v1beta1/2.0.0/pom.xml
index 94a2a6c2a97..95f50f68788 100644
--- a/clients/google-api-services-networksecurity/v1beta1/2.0.0/pom.xml
+++ b/clients/google-api-services-networksecurity/v1beta1/2.0.0/pom.xml
@@ -8,8 +8,8 @@
 
   <groupId>com.google.apis</groupId>
   <artifactId>google-api-services-networksecurity</artifactId>
-  <version>v1beta1-rev20260924-2.0.0</version>
-  <name>Network Security API v1beta1-rev20260924-2.0.0</name>
+  <version>v1beta1-rev20261011-2.0.0</version>
+  <name>Network Security API v1beta1-rev20261011-2.0.0</name>
   <packaging>jar</packaging>
 
   <inceptionYear>2011</inceptionYear>
diff --git a/clients/google-api-services-networksecurity/v1beta1/README.md b/clients/google-api-services-networksecurity/v1beta1/README.md
index f2c3be6a15a..19ff7e0aab1 100644
--- a/clients/google-api-services-networksecurity/v1beta1/README.md
+++ b/clients/google-api-services-networksecurity/v1beta1/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-networksecurity</artifactId>
-      <version>v1beta1-rev20260924-2.0.0</version>
+      <version>v1beta1-rev20261011-2.0.0</version>
     </dependency>
   </dependencies>
 </project>
@@ -35,7 +35,7 @@ repositories {
   mavenCentral()
 }
 dependencies {
-  implementation 'com.google.apis:google-api-services-networksecurity:v1beta1-rev20260924-2.0.0'
+  implementation 'com.google.apis:google-api-services-networksecurity:v1beta1-rev20261011-2.0.0'
 }
 ```