diff --git a/modules/gke-cluster-autopilot/README.md b/modules/gke-cluster-autopilot/README.md
index 0091d6e0..7fd0faf9 100644
--- a/modules/gke-cluster-autopilot/README.md
+++ b/modules/gke-cluster-autopilot/README.md
@@ -209,7 +209,7 @@ module "cluster-1" {
 | [location](variables.tf#L113) | Autopilot clusters are always regional. | <code>string</code> | ✓ |  |
 | [name](variables.tf#L190) | Cluster name. | <code>string</code> | ✓ |  |
 | [project_id](variables.tf#L226) | Cluster project ID. | <code>string</code> | ✓ |  |
-| [vpc_config](variables.tf#L242) | VPC-level configuration. | <code title="object&#40;&#123;&#10;  network                &#61; string&#10;  subnetwork             &#61; string&#10;  master_ipv4_cidr_block &#61; optional&#40;string&#41;&#10;  secondary_range_blocks &#61; optional&#40;object&#40;&#123;&#10;    pods     &#61; string&#10;    services &#61; string&#10;  &#125;&#41;&#41;&#10;  secondary_range_names &#61; optional&#40;object&#40;&#123;&#10;    pods     &#61; optional&#40;string, &#34;pods&#34;&#41;&#10;    services &#61; optional&#40;string, &#34;services&#34;&#41;&#10;  &#125;&#41;&#41;&#10;  master_authorized_ranges &#61; optional&#40;map&#40;string&#41;&#41;&#10;  stack_type               &#61; optional&#40;string&#41;&#10;&#125;&#41;">object&#40;&#123;&#8230;&#125;&#41;</code> | ✓ |  |
+| [vpc_config](variables.tf#L242) | VPC-level configuration. | <code title="object&#40;&#123;&#10;  network                &#61; string&#10;  subnetwork             &#61; string&#10;  master_ipv4_cidr_block &#61; optional&#40;string&#41;&#10;  secondary_range_blocks &#61; optional&#40;object&#40;&#123;&#10;    pods     &#61; string&#10;    services &#61; string&#10;  &#125;&#41;&#41;&#10;  secondary_range_names &#61; optional&#40;object&#40;&#123;&#10;    pods     &#61; optional&#40;string, &#34;pods&#34;&#41;&#10;    services &#61; optional&#40;string, &#34;services&#34;&#41;&#10;  &#125;&#41;&#41;&#10;  additional_ranges        &#61; optional&#40;list&#40;string&#41;&#41;&#10;  master_authorized_ranges &#61; optional&#40;map&#40;string&#41;&#41;&#10;  stack_type               &#61; optional&#40;string&#41;&#10;&#125;&#41;">object&#40;&#123;&#8230;&#125;&#41;</code> | ✓ |  |
 | [backup_configs](variables.tf#L17) | Configuration for Backup for GKE. | <code title="object&#40;&#123;&#10;  enable_backup_agent &#61; optional&#40;bool, false&#41;&#10;  backup_plans &#61; optional&#40;map&#40;object&#40;&#123;&#10;    encryption_key                    &#61; optional&#40;string&#41;&#10;    include_secrets                   &#61; optional&#40;bool, true&#41;&#10;    include_volume_data               &#61; optional&#40;bool, true&#41;&#10;    labels                            &#61; optional&#40;map&#40;string&#41;&#41;&#10;    namespaces                        &#61; optional&#40;list&#40;string&#41;&#41;&#10;    region                            &#61; string&#10;    schedule                          &#61; string&#10;    retention_policy_days             &#61; optional&#40;string&#41;&#10;    retention_policy_lock             &#61; optional&#40;bool, false&#41;&#10;    retention_policy_delete_lock_days &#61; optional&#40;string&#41;&#10;  &#125;&#41;&#41;, &#123;&#125;&#41;&#10;&#125;&#41;">object&#40;&#123;&#8230;&#125;&#41;</code> |  | <code>&#123;&#125;</code> |
 | [deletion_protection](variables.tf#L38) | Whether or not to allow Terraform to destroy the cluster. Unless this field is set to false in Terraform state, a terraform destroy or terraform apply that would delete the cluster will fail. | <code>bool</code> |  | <code>true</code> |
 | [description](variables.tf#L45) | Cluster description. | <code>string</code> |  | <code>null</code> |
diff --git a/modules/gke-cluster-autopilot/main.tf b/modules/gke-cluster-autopilot/main.tf
index 6824d223..d4288053 100644
--- a/modules/gke-cluster-autopilot/main.tf
+++ b/modules/gke-cluster-autopilot/main.tf
@@ -121,6 +121,12 @@ resource "google_container_cluster" "cluster" {
       cluster_ipv4_cidr_block  = var.vpc_config.secondary_range_blocks.pods
       services_ipv4_cidr_block = var.vpc_config.secondary_range_blocks.services
       stack_type               = var.vpc_config.stack_type
+      dynamic "additional_pod_ranges_config" {
+        for_each = var.vpc_config.additional_ranges != null ? [""] : []
+        content {
+          pod_range_names = var.vpc_config.additional_ranges
+        }
+      }
     }
   }
 
@@ -130,6 +136,12 @@ resource "google_container_cluster" "cluster" {
       cluster_secondary_range_name  = var.vpc_config.secondary_range_names.pods
       services_secondary_range_name = var.vpc_config.secondary_range_names.services
       stack_type                    = var.vpc_config.stack_type
+      dynamic "additional_pod_ranges_config" {
+        for_each = var.vpc_config.additional_ranges != null ? [""] : []
+        content {
+          pod_range_names = var.vpc_config.additional_ranges
+        }
+      }
     }
   }
 
diff --git a/modules/gke-cluster-autopilot/variables.tf b/modules/gke-cluster-autopilot/variables.tf
index a31596a6..fcf5f3ff 100644
--- a/modules/gke-cluster-autopilot/variables.tf
+++ b/modules/gke-cluster-autopilot/variables.tf
@@ -253,6 +253,7 @@ variable "vpc_config" {
       pods     = optional(string, "pods")
       services = optional(string, "services")
     }))
+    additional_ranges        = optional(list(string))
     master_authorized_ranges = optional(map(string))
     stack_type               = optional(string)
   })
diff --git a/modules/gke-cluster-standard/README.md b/modules/gke-cluster-standard/README.md
index 3d00b8c9..8b487d6a 100644
--- a/modules/gke-cluster-standard/README.md
+++ b/modules/gke-cluster-standard/README.md
@@ -311,9 +311,9 @@ module "cluster-1" {
 | name | description | type | required | default |
 |---|---|:---:|:---:|:---:|
 | [location](variables.tf#L237) | Cluster zone or region. | <code>string</code> | ✓ |  |
-| [name](variables.tf#L372) | Cluster name. | <code>string</code> | ✓ |  |
-| [project_id](variables.tf#L411) | Cluster project id. | <code>string</code> | ✓ |  |
-| [vpc_config](variables.tf#L422) | VPC-level configuration. | <code title="object&#40;&#123;&#10;  network                &#61; string&#10;  subnetwork             &#61; string&#10;  master_ipv4_cidr_block &#61; optional&#40;string&#41;&#10;  secondary_range_blocks &#61; optional&#40;object&#40;&#123;&#10;    pods     &#61; string&#10;    services &#61; string&#10;  &#125;&#41;&#41;&#10;  secondary_range_names &#61; optional&#40;object&#40;&#123;&#10;    pods     &#61; optional&#40;string, &#34;pods&#34;&#41;&#10;    services &#61; optional&#40;string, &#34;services&#34;&#41;&#10;  &#125;&#41;&#41;&#10;  master_authorized_ranges &#61; optional&#40;map&#40;string&#41;&#41;&#10;  stack_type               &#61; optional&#40;string&#41;&#10;&#125;&#41;">object&#40;&#123;&#8230;&#125;&#41;</code> | ✓ |  |
+| [name](variables.tf#L371) | Cluster name. | <code>string</code> | ✓ |  |
+| [project_id](variables.tf#L410) | Cluster project id. | <code>string</code> | ✓ |  |
+| [vpc_config](variables.tf#L421) | VPC-level configuration. | <code title="object&#40;&#123;&#10;  network                &#61; string&#10;  subnetwork             &#61; string&#10;  master_ipv4_cidr_block &#61; optional&#40;string&#41;&#10;  secondary_range_blocks &#61; optional&#40;object&#40;&#123;&#10;    pods     &#61; string&#10;    services &#61; string&#10;  &#125;&#41;&#41;&#10;  secondary_range_names &#61; optional&#40;object&#40;&#123;&#10;    pods     &#61; optional&#40;string, &#34;pods&#34;&#41;&#10;    services &#61; optional&#40;string, &#34;services&#34;&#41;&#10;  &#125;&#41;&#41;&#10;  additional_ranges        &#61; optional&#40;list&#40;string&#41;&#41;&#10;  master_authorized_ranges &#61; optional&#40;map&#40;string&#41;&#41;&#10;  stack_type               &#61; optional&#40;string&#41;&#10;&#125;&#41;">object&#40;&#123;&#8230;&#125;&#41;</code> | ✓ |  |
 | [backup_configs](variables.tf#L17) | Configuration for Backup for GKE. | <code title="object&#40;&#123;&#10;  enable_backup_agent &#61; optional&#40;bool, false&#41;&#10;  backup_plans &#61; optional&#40;map&#40;object&#40;&#123;&#10;    region                            &#61; string&#10;    applications                      &#61; optional&#40;map&#40;list&#40;string&#41;&#41;&#41;&#10;    encryption_key                    &#61; optional&#40;string&#41;&#10;    include_secrets                   &#61; optional&#40;bool, true&#41;&#10;    include_volume_data               &#61; optional&#40;bool, true&#41;&#10;    labels                            &#61; optional&#40;map&#40;string&#41;&#41;&#10;    namespaces                        &#61; optional&#40;list&#40;string&#41;&#41;&#10;    schedule                          &#61; optional&#40;string&#41;&#10;    retention_policy_days             &#61; optional&#40;number&#41;&#10;    retention_policy_lock             &#61; optional&#40;bool, false&#41;&#10;    retention_policy_delete_lock_days &#61; optional&#40;number&#41;&#10;  &#125;&#41;&#41;, &#123;&#125;&#41;&#10;&#125;&#41;">object&#40;&#123;&#8230;&#125;&#41;</code> |  | <code>&#123;&#125;</code> |
 | [cluster_autoscaling](variables.tf#L39) | Enable and configure limits for Node Auto-Provisioning with Cluster Autoscaler. | <code title="object&#40;&#123;&#10;  enabled             &#61; optional&#40;bool, true&#41;&#10;  autoscaling_profile &#61; optional&#40;string, &#34;BALANCED&#34;&#41;&#10;  auto_provisioning_defaults &#61; optional&#40;object&#40;&#123;&#10;    boot_disk_kms_key &#61; optional&#40;string&#41;&#10;    disk_size         &#61; optional&#40;number&#41;&#10;    disk_type         &#61; optional&#40;string, &#34;pd-standard&#34;&#41;&#10;    image_type        &#61; optional&#40;string&#41;&#10;    oauth_scopes      &#61; optional&#40;list&#40;string&#41;&#41;&#10;    service_account   &#61; optional&#40;string&#41;&#10;    management &#61; optional&#40;object&#40;&#123;&#10;      auto_repair  &#61; optional&#40;bool, true&#41;&#10;      auto_upgrade &#61; optional&#40;bool, true&#41;&#10;    &#125;&#41;&#41;&#10;    shielded_instance_config &#61; optional&#40;object&#40;&#123;&#10;      integrity_monitoring &#61; optional&#40;bool, true&#41;&#10;      secure_boot          &#61; optional&#40;bool, false&#41;&#10;    &#125;&#41;&#41;&#10;    upgrade_settings &#61; optional&#40;object&#40;&#123;&#10;      blue_green &#61; optional&#40;object&#40;&#123;&#10;        node_pool_soak_duration &#61; optional&#40;string&#41;&#10;        standard_rollout_policy &#61; optional&#40;object&#40;&#123;&#10;          batch_percentage    &#61; optional&#40;number&#41;&#10;          batch_node_count    &#61; optional&#40;number&#41;&#10;          batch_soak_duration &#61; optional&#40;string&#41;&#10;        &#125;&#41;&#41;&#10;      &#125;&#41;&#41;&#10;      surge &#61; optional&#40;object&#40;&#123;&#10;        max         &#61; optional&#40;number&#41;&#10;        unavailable &#61; optional&#40;number&#41;&#10;      &#125;&#41;&#41;&#10;    &#125;&#41;&#41;&#10;  &#125;&#41;&#41;&#10;  cpu_limits &#61; optional&#40;object&#40;&#123;&#10;    min &#61; number&#10;    max &#61; number&#10;  &#125;&#41;&#41;&#10;  mem_limits &#61; optional&#40;object&#40;&#123;&#10;    min &#61; number&#10;    max &#61; number&#10;  &#125;&#41;&#41;&#10;  gpu_resources &#61; optional&#40;list&#40;object&#40;&#123;&#10;    resource_type &#61; string&#10;    min           &#61; number&#10;    max           &#61; number&#10;  &#125;&#41;&#41;&#41;&#10;&#125;&#41;">object&#40;&#123;&#8230;&#125;&#41;</code> |  | <code>null</code> |
 | [default_nodepool](variables.tf#L118) | Enable default nodepool. | <code title="object&#40;&#123;&#10;  remove_pool        &#61; optional&#40;bool, true&#41;&#10;  initial_node_count &#61; optional&#40;number, 1&#41;&#10;&#125;&#41;">object&#40;&#123;&#8230;&#125;&#41;</code> |  | <code>&#123;&#125;</code> |
@@ -327,11 +327,11 @@ module "cluster-1" {
 | [maintenance_config](variables.tf#L263) | Maintenance window configuration. | <code title="object&#40;&#123;&#10;  daily_window_start_time &#61; optional&#40;string&#41;&#10;  recurring_window &#61; optional&#40;object&#40;&#123;&#10;    start_time &#61; string&#10;    end_time   &#61; string&#10;    recurrence &#61; string&#10;  &#125;&#41;&#41;&#10;  maintenance_exclusions &#61; optional&#40;list&#40;object&#40;&#123;&#10;    name       &#61; string&#10;    start_time &#61; string&#10;    end_time   &#61; string&#10;    scope      &#61; optional&#40;string&#41;&#10;  &#125;&#41;&#41;&#41;&#10;&#125;&#41;">object&#40;&#123;&#8230;&#125;&#41;</code> |  | <code title="&#123;&#10;  daily_window_start_time &#61; &#34;03:00&#34;&#10;  recurring_window        &#61; null&#10;  maintenance_exclusion   &#61; &#91;&#93;&#10;&#125;">&#123;&#8230;&#125;</code> |
 | [max_pods_per_node](variables.tf#L286) | Maximum number of pods per node in this cluster. | <code>number</code> |  | <code>110</code> |
 | [min_master_version](variables.tf#L292) | Minimum version of the master, defaults to the version of the most recent official release. | <code>string</code> |  | <code>null</code> |
-| [monitoring_config](variables.tf#L298) | Monitoring configuration. Google Cloud Managed Service for Prometheus is enabled by default. | <code title="object&#40;&#123;&#10;  enable_system_metrics &#61; optional&#40;bool, true&#41;&#10;  enable_api_server_metrics         &#61; optional&#40;bool, false&#41;&#10;  enable_controller_manager_metrics &#61; optional&#40;bool, false&#41;&#10;  enable_scheduler_metrics          &#61; optional&#40;bool, false&#41;&#10;  enable_daemonset_metrics   &#61; optional&#40;bool, false&#41;&#10;  enable_deployment_metrics  &#61; optional&#40;bool, false&#41;&#10;  enable_hpa_metrics         &#61; optional&#40;bool, false&#41;&#10;  enable_pod_metrics         &#61; optional&#40;bool, false&#41;&#10;  enable_statefulset_metrics &#61; optional&#40;bool, false&#41;&#10;  enable_storage_metrics     &#61; optional&#40;bool, false&#41;&#10;  enable_managed_prometheus &#61; optional&#40;bool, true&#41;&#10;  advanced_datapath_observability &#61; optional&#40;object&#40;&#123;&#10;    enable_metrics &#61; bool&#10;    enable_relay   &#61; optional&#40;bool&#41;&#10;    relay_mode     &#61; optional&#40;string&#41;&#10;  &#125;&#41;&#41;&#10;&#125;&#41;">object&#40;&#123;&#8230;&#125;&#41;</code> |  | <code>&#123;&#125;</code> |
-| [node_config](variables.tf#L377) | Node-level configuration. | <code title="object&#40;&#123;&#10;  boot_disk_kms_key &#61; optional&#40;string&#41;&#10;  k8s_labels        &#61; optional&#40;map&#40;string&#41;&#41;&#10;  labels            &#61; optional&#40;map&#40;string&#41;&#41;&#10;  service_account   &#61; optional&#40;string&#41;&#10;  tags              &#61; optional&#40;list&#40;string&#41;&#41;&#10;&#125;&#41;">object&#40;&#123;&#8230;&#125;&#41;</code> |  | <code>&#123;&#125;</code> |
-| [node_locations](variables.tf#L390) | Zones in which the cluster's nodes are located. | <code>list&#40;string&#41;</code> |  | <code>&#91;&#93;</code> |
-| [private_cluster_config](variables.tf#L397) | Private cluster configuration. | <code title="object&#40;&#123;&#10;  enable_private_endpoint &#61; optional&#40;bool&#41;&#10;  master_global_access    &#61; optional&#40;bool&#41;&#10;  peering_config &#61; optional&#40;object&#40;&#123;&#10;    export_routes &#61; optional&#40;bool&#41;&#10;    import_routes &#61; optional&#40;bool&#41;&#10;    project_id    &#61; optional&#40;string&#41;&#10;  &#125;&#41;&#41;&#10;&#125;&#41;">object&#40;&#123;&#8230;&#125;&#41;</code> |  | <code>null</code> |
-| [release_channel](variables.tf#L416) | Release channel for GKE upgrades. | <code>string</code> |  | <code>null</code> |
+| [monitoring_config](variables.tf#L298) | Monitoring configuration. Google Cloud Managed Service for Prometheus is enabled by default. | <code title="object&#40;&#123;&#10;  enable_system_metrics &#61; optional&#40;bool, true&#41;&#10;  enable_api_server_metrics         &#61; optional&#40;bool, false&#41;&#10;  enable_controller_manager_metrics &#61; optional&#40;bool, false&#41;&#10;  enable_scheduler_metrics          &#61; optional&#40;bool, false&#41;&#10;  enable_daemonset_metrics   &#61; optional&#40;bool, false&#41;&#10;  enable_deployment_metrics  &#61; optional&#40;bool, false&#41;&#10;  enable_hpa_metrics         &#61; optional&#40;bool, false&#41;&#10;  enable_pod_metrics         &#61; optional&#40;bool, false&#41;&#10;  enable_statefulset_metrics &#61; optional&#40;bool, false&#41;&#10;  enable_storage_metrics     &#61; optional&#40;bool, false&#41;&#10;  enable_managed_prometheus &#61; optional&#40;bool, true&#41;&#10;  advanced_datapath_observability &#61; optional&#40;object&#40;&#123;&#10;    enable_metrics &#61; bool&#10;    enable_relay   &#61; optional&#40;bool&#41;&#10;  &#125;&#41;&#41;&#10;&#125;&#41;">object&#40;&#123;&#8230;&#125;&#41;</code> |  | <code>&#123;&#125;</code> |
+| [node_config](variables.tf#L376) | Node-level configuration. | <code title="object&#40;&#123;&#10;  boot_disk_kms_key &#61; optional&#40;string&#41;&#10;  k8s_labels        &#61; optional&#40;map&#40;string&#41;&#41;&#10;  labels            &#61; optional&#40;map&#40;string&#41;&#41;&#10;  service_account   &#61; optional&#40;string&#41;&#10;  tags              &#61; optional&#40;list&#40;string&#41;&#41;&#10;&#125;&#41;">object&#40;&#123;&#8230;&#125;&#41;</code> |  | <code>&#123;&#125;</code> |
+| [node_locations](variables.tf#L389) | Zones in which the cluster's nodes are located. | <code>list&#40;string&#41;</code> |  | <code>&#91;&#93;</code> |
+| [private_cluster_config](variables.tf#L396) | Private cluster configuration. | <code title="object&#40;&#123;&#10;  enable_private_endpoint &#61; optional&#40;bool&#41;&#10;  master_global_access    &#61; optional&#40;bool&#41;&#10;  peering_config &#61; optional&#40;object&#40;&#123;&#10;    export_routes &#61; optional&#40;bool&#41;&#10;    import_routes &#61; optional&#40;bool&#41;&#10;    project_id    &#61; optional&#40;string&#41;&#10;  &#125;&#41;&#41;&#10;&#125;&#41;">object&#40;&#123;&#8230;&#125;&#41;</code> |  | <code>null</code> |
+| [release_channel](variables.tf#L415) | Release channel for GKE upgrades. | <code>string</code> |  | <code>null</code> |
 
 ## Outputs
 
diff --git a/modules/gke-cluster-standard/main.tf b/modules/gke-cluster-standard/main.tf
index c76c192e..3ba51765 100644
--- a/modules/gke-cluster-standard/main.tf
+++ b/modules/gke-cluster-standard/main.tf
@@ -272,6 +272,12 @@ resource "google_container_cluster" "cluster" {
         var.vpc_config.secondary_range_blocks.services
       )
       stack_type = var.vpc_config.stack_type
+      dynamic "additional_pod_ranges_config" {
+        for_each = var.vpc_config.additional_ranges != null ? [""] : []
+        content {
+          pod_range_names = var.vpc_config.additional_ranges
+        }
+      }
     }
   }
   dynamic "ip_allocation_policy" {
@@ -284,6 +290,12 @@ resource "google_container_cluster" "cluster" {
         var.vpc_config.secondary_range_names.services
       )
       stack_type = var.vpc_config.stack_type
+      dynamic "additional_pod_ranges_config" {
+        for_each = var.vpc_config.additional_ranges != null ? [""] : []
+        content {
+          pod_range_names = var.vpc_config.additional_ranges
+        }
+      }
     }
   }
   # Send GKE cluster logs from chosen sources to Cloud Logging.
@@ -409,9 +421,6 @@ resource "google_container_cluster" "cluster" {
         enable_relay = (
           var.monitoring_config.advanced_datapath_observability.enable_relay
         )
-        relay_mode = (
-          var.monitoring_config.advanced_datapath_observability.relay_mode
-        )
       }
     }
   }
diff --git a/modules/gke-cluster-standard/variables.tf b/modules/gke-cluster-standard/variables.tf
index 017db18a..ee9021d0 100644
--- a/modules/gke-cluster-standard/variables.tf
+++ b/modules/gke-cluster-standard/variables.tf
@@ -315,7 +315,6 @@ variable "monitoring_config" {
     advanced_datapath_observability = optional(object({
       enable_metrics = bool
       enable_relay   = optional(bool)
-      relay_mode     = optional(string)
     }))
   })
   default  = {}
@@ -433,6 +432,7 @@ variable "vpc_config" {
       pods     = optional(string, "pods")
       services = optional(string, "services")
     }))
+    additional_ranges        = optional(list(string))
     master_authorized_ranges = optional(map(string))
     stack_type               = optional(string)
   })