diff --git a/proto-google-cloud-container-v1/src/main/java/com/google/container/v1/AutoprovisioningNodePoolDefaults.java b/proto-google-cloud-container-v1/src/main/java/com/google/container/v1/AutoprovisioningNodePoolDefaults.java
index b0d55ffc..02add194 100644
--- a/proto-google-cloud-container-v1/src/main/java/com/google/container/v1/AutoprovisioningNodePoolDefaults.java
+++ b/proto-google-cloud-container-v1/src/main/java/com/google/container/v1/AutoprovisioningNodePoolDefaults.java
@@ -45,6 +45,7 @@ private AutoprovisioningNodePoolDefaults() {
     minCpuPlatform_ = "";
     diskType_ = "";
     bootDiskKmsKey_ = "";
+    imageType_ = "";
   }
 
   @java.lang.Override
@@ -168,6 +169,13 @@ private AutoprovisioningNodePoolDefaults(
               bootDiskKmsKey_ = s;
               break;
             }
+          case 82:
+            {
+              java.lang.String s = input.readStringRequireUtf8();
+
+              imageType_ = s;
+              break;
+            }
           default:
             {
               if (!parseUnknownField(input, unknownFields, extensionRegistry, tag)) {
@@ -657,6 +665,55 @@ public com.google.protobuf.ByteString getBootDiskKmsKeyBytes() {
     }
   }
 
+  public static final int IMAGE_TYPE_FIELD_NUMBER = 10;
+  private volatile java.lang.Object imageType_;
+  /**
+   *
+   *
+   * <pre>
+   * The image type to use for NAP created node.
+   * </pre>
+   *
+   * <code>string image_type = 10;</code>
+   *
+   * @return The imageType.
+   */
+  @java.lang.Override
+  public java.lang.String getImageType() {
+    java.lang.Object ref = imageType_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      imageType_ = s;
+      return s;
+    }
+  }
+  /**
+   *
+   *
+   * <pre>
+   * The image type to use for NAP created node.
+   * </pre>
+   *
+   * <code>string image_type = 10;</code>
+   *
+   * @return The bytes for imageType.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getImageTypeBytes() {
+    java.lang.Object ref = imageType_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      imageType_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
   private byte memoizedIsInitialized = -1;
 
   @java.lang.Override
@@ -698,6 +755,9 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
     if (!getBootDiskKmsKeyBytes().isEmpty()) {
       com.google.protobuf.GeneratedMessageV3.writeString(output, 9, bootDiskKmsKey_);
     }
+    if (!getImageTypeBytes().isEmpty()) {
+      com.google.protobuf.GeneratedMessageV3.writeString(output, 10, imageType_);
+    }
     unknownFields.writeTo(output);
   }
 
@@ -740,6 +800,9 @@ public int getSerializedSize() {
     if (!getBootDiskKmsKeyBytes().isEmpty()) {
       size += com.google.protobuf.GeneratedMessageV3.computeStringSize(9, bootDiskKmsKey_);
     }
+    if (!getImageTypeBytes().isEmpty()) {
+      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(10, imageType_);
+    }
     size += unknownFields.getSerializedSize();
     memoizedSize = size;
     return size;
@@ -774,6 +837,7 @@ public boolean equals(final java.lang.Object obj) {
       if (!getShieldedInstanceConfig().equals(other.getShieldedInstanceConfig())) return false;
     }
     if (!getBootDiskKmsKey().equals(other.getBootDiskKmsKey())) return false;
+    if (!getImageType().equals(other.getImageType())) return false;
     if (!unknownFields.equals(other.unknownFields)) return false;
     return true;
   }
@@ -811,6 +875,8 @@ public int hashCode() {
     }
     hash = (37 * hash) + BOOT_DISK_KMS_KEY_FIELD_NUMBER;
     hash = (53 * hash) + getBootDiskKmsKey().hashCode();
+    hash = (37 * hash) + IMAGE_TYPE_FIELD_NUMBER;
+    hash = (53 * hash) + getImageType().hashCode();
     hash = (29 * hash) + unknownFields.hashCode();
     memoizedHashCode = hash;
     return hash;
@@ -988,6 +1054,8 @@ public Builder clear() {
       }
       bootDiskKmsKey_ = "";
 
+      imageType_ = "";
+
       return this;
     }
 
@@ -1041,6 +1109,7 @@ public com.google.container.v1.AutoprovisioningNodePoolDefaults buildPartial() {
         result.shieldedInstanceConfig_ = shieldedInstanceConfigBuilder_.build();
       }
       result.bootDiskKmsKey_ = bootDiskKmsKey_;
+      result.imageType_ = imageType_;
       onBuilt();
       return result;
     }
@@ -1129,6 +1198,10 @@ public Builder mergeFrom(com.google.container.v1.AutoprovisioningNodePoolDefault
         bootDiskKmsKey_ = other.bootDiskKmsKey_;
         onChanged();
       }
+      if (!other.getImageType().isEmpty()) {
+        imageType_ = other.imageType_;
+        onChanged();
+      }
       this.mergeUnknownFields(other.unknownFields);
       onChanged();
       return this;
@@ -2446,6 +2519,112 @@ public Builder setBootDiskKmsKeyBytes(com.google.protobuf.ByteString value) {
       return this;
     }
 
+    private java.lang.Object imageType_ = "";
+    /**
+     *
+     *
+     * <pre>
+     * The image type to use for NAP created node.
+     * </pre>
+     *
+     * <code>string image_type = 10;</code>
+     *
+     * @return The imageType.
+     */
+    public java.lang.String getImageType() {
+      java.lang.Object ref = imageType_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        imageType_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The image type to use for NAP created node.
+     * </pre>
+     *
+     * <code>string image_type = 10;</code>
+     *
+     * @return The bytes for imageType.
+     */
+    public com.google.protobuf.ByteString getImageTypeBytes() {
+      java.lang.Object ref = imageType_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        imageType_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The image type to use for NAP created node.
+     * </pre>
+     *
+     * <code>string image_type = 10;</code>
+     *
+     * @param value The imageType to set.
+     * @return This builder for chaining.
+     */
+    public Builder setImageType(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+
+      imageType_ = value;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The image type to use for NAP created node.
+     * </pre>
+     *
+     * <code>string image_type = 10;</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearImageType() {
+
+      imageType_ = getDefaultInstance().getImageType();
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The image type to use for NAP created node.
+     * </pre>
+     *
+     * <code>string image_type = 10;</code>
+     *
+     * @param value The bytes for imageType to set.
+     * @return This builder for chaining.
+     */
+    public Builder setImageTypeBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+
+      imageType_ = value;
+      onChanged();
+      return this;
+    }
+
     @java.lang.Override
     public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
       return super.setUnknownFields(unknownFields);
diff --git a/proto-google-cloud-container-v1/src/main/java/com/google/container/v1/AutoprovisioningNodePoolDefaultsOrBuilder.java b/proto-google-cloud-container-v1/src/main/java/com/google/container/v1/AutoprovisioningNodePoolDefaultsOrBuilder.java
index f228ec65..7f239e2c 100644
--- a/proto-google-cloud-container-v1/src/main/java/com/google/container/v1/AutoprovisioningNodePoolDefaultsOrBuilder.java
+++ b/proto-google-cloud-container-v1/src/main/java/com/google/container/v1/AutoprovisioningNodePoolDefaultsOrBuilder.java
@@ -323,4 +323,29 @@ public interface AutoprovisioningNodePoolDefaultsOrBuilder
    * @return The bytes for bootDiskKmsKey.
    */
   com.google.protobuf.ByteString getBootDiskKmsKeyBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * The image type to use for NAP created node.
+   * </pre>
+   *
+   * <code>string image_type = 10;</code>
+   *
+   * @return The imageType.
+   */
+  java.lang.String getImageType();
+  /**
+   *
+   *
+   * <pre>
+   * The image type to use for NAP created node.
+   * </pre>
+   *
+   * <code>string image_type = 10;</code>
+   *
+   * @return The bytes for imageType.
+   */
+  com.google.protobuf.ByteString getImageTypeBytes();
 }
diff --git a/proto-google-cloud-container-v1/src/main/java/com/google/container/v1/ClusterServiceProto.java b/proto-google-cloud-container-v1/src/main/java/com/google/container/v1/ClusterServiceProto.java
index f7682f18..f4486d7a 100644
--- a/proto-google-cloud-container-v1/src/main/java/com/google/container/v1/ClusterServiceProto.java
+++ b/proto-google-cloud-container-v1/src/main/java/com/google/container/v1/ClusterServiceProto.java
@@ -851,7 +851,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "b\n#autoprovisioning_node_pool_defaults\030\004"
           + " \001(\01325.google.container.v1.Autoprovision"
           + "ingNodePoolDefaults\022\"\n\032autoprovisioning_"
-          + "locations\030\005 \003(\t\"\200\003\n AutoprovisioningNode"
+          + "locations\030\005 \003(\t\"\224\003\n AutoprovisioningNode"
           + "PoolDefaults\022\024\n\014oauth_scopes\030\001 \003(\t\022\027\n\017se"
           + "rvice_account\030\002 \001(\t\022G\n\020upgrade_settings\030"
           + "\003 \001(\0132-.google.container.v1.NodePool.Upg"
@@ -861,334 +861,334 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\tdisk_type\030\007 \001(\t\022M\n\030shielded_instance_co"
           + "nfig\030\010 \001(\0132+.google.container.v1.Shielde",
       "dInstanceConfig\022\031\n\021boot_disk_kms_key\030\t \001"
-          + "(\t\"H\n\rResourceLimit\022\025\n\rresource_type\030\001 \001"
-          + "(\t\022\017\n\007minimum\030\002 \001(\003\022\017\n\007maximum\030\003 \001(\003\"o\n\023"
-          + "NodePoolAutoscaling\022\017\n\007enabled\030\001 \001(\010\022\026\n\016"
-          + "min_node_count\030\002 \001(\005\022\026\n\016max_node_count\030\003"
-          + " \001(\005\022\027\n\017autoprovisioned\030\004 \001(\010\"\222\002\n\020SetLab"
-          + "elsRequest\022\026\n\nproject_id\030\001 \001(\tB\002\030\001\022\020\n\004zo"
-          + "ne\030\002 \001(\tB\002\030\001\022\026\n\ncluster_id\030\003 \001(\tB\002\030\001\022W\n\017"
-          + "resource_labels\030\004 \003(\01329.google.container"
-          + ".v1.SetLabelsRequest.ResourceLabelsEntry"
-          + "B\003\340A\002\022\036\n\021label_fingerprint\030\005 \001(\tB\003\340A\002\022\014\n"
-          + "\004name\030\007 \001(\t\0325\n\023ResourceLabelsEntry\022\013\n\003ke"
-          + "y\030\001 \001(\t\022\r\n\005value\030\002 \001(\t:\0028\001\"|\n\024SetLegacyA"
-          + "bacRequest\022\026\n\nproject_id\030\001 \001(\tB\002\030\001\022\020\n\004zo"
-          + "ne\030\002 \001(\tB\002\030\001\022\026\n\ncluster_id\030\003 \001(\tB\002\030\001\022\024\n\007"
-          + "enabled\030\004 \001(\010B\003\340A\002\022\014\n\004name\030\006 \001(\t\"\204\001\n\026Sta"
-          + "rtIPRotationRequest\022\026\n\nproject_id\030\001 \001(\tB"
-          + "\002\030\001\022\020\n\004zone\030\002 \001(\tB\002\030\001\022\026\n\ncluster_id\030\003 \001("
-          + "\tB\002\030\001\022\014\n\004name\030\006 \001(\t\022\032\n\022rotate_credential"
-          + "s\030\007 \001(\010\"k\n\031CompleteIPRotationRequest\022\026\n\n"
-          + "project_id\030\001 \001(\tB\002\030\001\022\020\n\004zone\030\002 \001(\tB\002\030\001\022\026"
-          + "\n\ncluster_id\030\003 \001(\tB\002\030\001\022\014\n\004name\030\007 \001(\t\"H\n\021"
-          + "AcceleratorConfig\022\031\n\021accelerator_count\030\001"
-          + " \001(\003\022\030\n\020accelerator_type\030\002 \001(\t\"\232\001\n\026Workl"
-          + "oadMetadataConfig\022>\n\004mode\030\002 \001(\01620.google"
-          + ".container.v1.WorkloadMetadataConfig.Mod"
-          + "e\"@\n\004Mode\022\024\n\020MODE_UNSPECIFIED\020\000\022\020\n\014GCE_M"
-          + "ETADATA\020\001\022\020\n\014GKE_METADATA\020\002\"\252\001\n\027SetNetwo"
-          + "rkPolicyRequest\022\026\n\nproject_id\030\001 \001(\tB\002\030\001\022"
-          + "\020\n\004zone\030\002 \001(\tB\002\030\001\022\026\n\ncluster_id\030\003 \001(\tB\002\030"
-          + "\001\022?\n\016network_policy\030\004 \001(\0132\".google.conta"
-          + "iner.v1.NetworkPolicyB\003\340A\002\022\014\n\004name\030\006 \001(\t"
-          + "\"\271\001\n\033SetMaintenancePolicyRequest\022\027\n\nproj"
-          + "ect_id\030\001 \001(\tB\003\340A\002\022\021\n\004zone\030\002 \001(\tB\003\340A\002\022\027\n\n"
-          + "cluster_id\030\003 \001(\tB\003\340A\002\022G\n\022maintenance_pol"
-          + "icy\030\004 \001(\0132&.google.container.v1.Maintena"
-          + "ncePolicyB\003\340A\002\022\014\n\004name\030\005 \001(\t\"\352\001\n\017StatusC"
-          + "ondition\0227\n\004code\030\001 \001(\0162).google.containe"
-          + "r.v1.StatusCondition.Code\022\017\n\007message\030\002 \001"
-          + "(\t\"\214\001\n\004Code\022\013\n\007UNKNOWN\020\000\022\020\n\014GCE_STOCKOUT"
-          + "\020\001\022\037\n\033GKE_SERVICE_ACCOUNT_DELETED\020\002\022\026\n\022G"
-          + "CE_QUOTA_EXCEEDED\020\003\022\023\n\017SET_BY_OPERATOR\020\004"
-          + "\022\027\n\023CLOUD_KMS_KEY_ERROR\020\007\"\237\001\n\rNetworkCon"
-          + "fig\022\017\n\007network\030\001 \001(\t\022\022\n\nsubnetwork\030\002 \001(\t"
-          + "\022$\n\034enable_intra_node_visibility\030\005 \001(\010\022C"
-          + "\n\023default_snat_status\030\007 \001(\0132&.google.con"
-          + "tainer.v1.DefaultSnatStatus\"(\n\026GetOpenID"
-          + "ConfigRequest\022\016\n\006parent\030\001 \001(\t\"\334\001\n\027GetOpe"
-          + "nIDConfigResponse\022\016\n\006issuer\030\001 \001(\t\022\020\n\010jwk"
-          + "s_uri\030\002 \001(\t\022 \n\030response_types_supported\030"
-          + "\003 \003(\t\022\037\n\027subject_types_supported\030\004 \003(\t\022-"
-          + "\n%id_token_signing_alg_values_supported\030"
-          + "\005 \003(\t\022\030\n\020claims_supported\030\006 \003(\t\022\023\n\013grant"
-          + "_types\030\007 \003(\t\"\'\n\025GetJSONWebKeysRequest\022\016\n"
-          + "\006parent\030\001 \001(\t\"r\n\003Jwk\022\013\n\003kty\030\001 \001(\t\022\013\n\003alg"
-          + "\030\002 \001(\t\022\013\n\003use\030\003 \001(\t\022\013\n\003kid\030\004 \001(\t\022\t\n\001n\030\005 "
-          + "\001(\t\022\t\n\001e\030\006 \001(\t\022\t\n\001x\030\007 \001(\t\022\t\n\001y\030\010 \001(\t\022\013\n\003"
-          + "crv\030\t \001(\t\"@\n\026GetJSONWebKeysResponse\022&\n\004k"
-          + "eys\030\001 \003(\0132\030.google.container.v1.Jwk\"\216\001\n\016"
-          + "ReleaseChannel\022<\n\007channel\030\001 \001(\0162+.google"
-          + ".container.v1.ReleaseChannel.Channel\">\n\007"
-          + "Channel\022\017\n\013UNSPECIFIED\020\000\022\t\n\005RAPID\020\001\022\013\n\007R"
-          + "EGULAR\020\002\022\n\n\006STABLE\020\003\",\n\031IntraNodeVisibil"
-          + "ityConfig\022\017\n\007enabled\030\001 \001(\010\".\n\021MaxPodsCon"
-          + "straint\022\031\n\021max_pods_per_node\030\001 \001(\003\"/\n\026Wo"
-          + "rkloadIdentityConfig\022\025\n\rworkload_pool\030\002 "
-          + "\001(\t\"\230\001\n\022DatabaseEncryption\022<\n\005state\030\002 \001("
-          + "\0162-.google.container.v1.DatabaseEncrypti"
-          + "on.State\022\020\n\010key_name\030\001 \001(\t\"2\n\005State\022\013\n\007U"
-          + "NKNOWN\020\000\022\r\n\tENCRYPTED\020\001\022\r\n\tDECRYPTED\020\002\"e"
-          + "\n\034ListUsableSubnetworksRequest\022\016\n\006parent"
-          + "\030\001 \001(\t\022\016\n\006filter\030\002 \001(\t\022\021\n\tpage_size\030\003 \001("
-          + "\005\022\022\n\npage_token\030\004 \001(\t\"t\n\035ListUsableSubne"
-          + "tworksResponse\022:\n\013subnetworks\030\001 \003(\0132%.go"
-          + "ogle.container.v1.UsableSubnetwork\022\027\n\017ne"
-          + "xt_page_token\030\002 \001(\t\"\200\002\n\036UsableSubnetwork"
-          + "SecondaryRange\022\022\n\nrange_name\030\001 \001(\t\022\025\n\rip"
-          + "_cidr_range\030\002 \001(\t\022J\n\006status\030\003 \001(\0162:.goog"
-          + "le.container.v1.UsableSubnetworkSecondar"
-          + "yRange.Status\"g\n\006Status\022\013\n\007UNKNOWN\020\000\022\n\n\006"
-          + "UNUSED\020\001\022\022\n\016IN_USE_SERVICE\020\002\022\030\n\024IN_USE_S"
-          + "HAREABLE_POD\020\003\022\026\n\022IN_USE_MANAGED_POD\020\004\"\270"
-          + "\001\n\020UsableSubnetwork\022\022\n\nsubnetwork\030\001 \001(\t\022"
-          + "\017\n\007network\030\002 \001(\t\022\025\n\rip_cidr_range\030\003 \001(\t\022"
-          + "P\n\023secondary_ip_ranges\030\004 \003(\01323.google.co"
-          + "ntainer.v1.UsableSubnetworkSecondaryRang"
-          + "e\022\026\n\016status_message\030\005 \001(\t\"\355\002\n\031ResourceUs"
-          + "ageExportConfig\022`\n\024bigquery_destination\030"
-          + "\001 \001(\0132B.google.container.v1.ResourceUsag"
-          + "eExportConfig.BigQueryDestination\022&\n\036ena"
-          + "ble_network_egress_metering\030\002 \001(\010\022m\n\033con"
-          + "sumption_metering_config\030\003 \001(\0132H.google."
-          + "container.v1.ResourceUsageExportConfig.C"
-          + "onsumptionMeteringConfig\032)\n\023BigQueryDest"
-          + "ination\022\022\n\ndataset_id\030\001 \001(\t\032,\n\031Consumpti"
-          + "onMeteringConfig\022\017\n\007enabled\030\001 \001(\010\")\n\026Ver"
-          + "ticalPodAutoscaling\022\017\n\007enabled\030\001 \001(\010\"%\n\021"
-          + "DefaultSnatStatus\022\020\n\010disabled\030\001 \001(\010\" \n\rS"
-          + "hieldedNodes\022\017\n\007enabled\030\001 \001(\0102\205F\n\016Cluste"
-          + "rManager\022\350\001\n\014ListClusters\022(.google.conta"
-          + "iner.v1.ListClustersRequest\032).google.con"
-          + "tainer.v1.ListClustersResponse\"\202\001\202\323\344\223\002a\022"
-          + ",/v1/{parent=projects/*/locations/*}/clu"
-          + "stersZ1\022//v1/projects/{project_id}/zones"
-          + "/{zone}/clusters\332A\017project_id,zone\332A\006par"
-          + "ent\022\355\001\n\nGetCluster\022&.google.container.v1"
-          + ".GetClusterRequest\032\034.google.container.v1"
-          + ".Cluster\"\230\001\202\323\344\223\002n\022,/v1/{name=projects/*/"
-          + "locations/*/clusters/*}Z>\022</v1/projects/"
-          + "{project_id}/zones/{zone}/clusters/{clus"
-          + "ter_id}\332A\032project_id,zone,cluster_id\332A\004n"
-          + "ame\022\365\001\n\rCreateCluster\022).google.container"
-          + ".v1.CreateClusterRequest\032\036.google.contai"
-          + "ner.v1.Operation\"\230\001\202\323\344\223\002g\",/v1/{parent=p"
-          + "rojects/*/locations/*}/clusters:\001*Z4\"//v"
-          + "1/projects/{project_id}/zones/{zone}/clu"
-          + "sters:\001*\332A\027project_id,zone,cluster\332A\016par"
-          + "ent,cluster\022\211\002\n\rUpdateCluster\022).google.c"
-          + "ontainer.v1.UpdateClusterRequest\032\036.googl"
-          + "e.container.v1.Operation\"\254\001\202\323\344\223\002t\032,/v1/{"
-          + "name=projects/*/locations/*/clusters/*}:"
-          + "\001*ZA\032</v1/projects/{project_id}/zones/{z"
-          + "one}/clusters/{cluster_id}:\001*\332A!project_"
-          + "id,zone,cluster_id,update\332A\013name,update\022"
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-          + "equest\032\026.google.protobuf.Empty\"\265\001\202\323\344\223\002\210\001"
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-          + ";\202\323\344\223\0025\0223/v1/{parent=projects/*/location"
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+          + "e.container.v1.SetLocationsRequest\032\036.goo"
+          + "gle.container.v1.Operation\"\315\001\210\002\001\202\323\344\223\002\213\001\""
+          + "9/v1/{name=projects/*/locations/*/cluste"
+          + "rs/*}:setLocations:\001*ZK\"F/v1/projects/{p"
           + "roject_id}/zones/{zone}/clusters/{cluste"
-          + "r_id}/nodePools/{node_pool_id}\332A\'project"
-          + "_id,zone,cluster_id,node_pool_id\332A\004name\022"
-          + "\252\002\n\016CreateNodePool\022*.google.container.v1"
-          + ".CreateNodePoolRequest\032\036.google.containe"
-          + "r.v1.Operation\"\313\001\202\323\344\223\002\212\001\"8/v1/{parent=pr"
-          + "ojects/*/locations/*/clusters/*}/nodePoo"
-          + "ls:\001*ZK\"F/v1/projects/{project_id}/zones"
-          + "/{zone}/clusters/{cluster_id}/nodePools:"
-          + "\001*\332A$project_id,zone,cluster_id,node_poo"
-          + "l\332A\020parent,node_pool\022\252\002\n\016DeleteNodePool\022"
-          + "*.google.container.v1.DeleteNodePoolRequ"
-          + "est\032\036.google.container.v1.Operation\"\313\001\202\323"
-          + "\344\223\002\223\001*8/v1/{name=projects/*/locations/*/"
-          + "clusters/*/nodePools/*}ZW*U/v1/projects/"
+          + "r_id}/locations:\001*\332A$project_id,zone,clu"
+          + "ster_id,locations\332A\016name,locations\022\254\002\n\014U"
+          + "pdateMaster\022(.google.container.v1.Update"
+          + "MasterRequest\032\036.google.container.v1.Oper"
+          + "ation\"\321\001\202\323\344\223\002\210\001\"9/v1/{name=projects/*/lo"
+          + "cations/*/clusters/*}:updateMaster:\001*ZH\""
+          + "C/v1/projects/{project_id}/zones/{zone}/"
+          + "clusters/{cluster_id}/master:\001*\332A)projec"
+          + "t_id,zone,cluster_id,master_version\332A\023na"
+          + "me,master_version\022\364\001\n\rSetMasterAuth\022).go"
+          + "ogle.container.v1.SetMasterAuthRequest\032\036"
+          + ".google.container.v1.Operation\"\227\001\202\323\344\223\002\220\001"
+          + "\":/v1/{name=projects/*/locations/*/clust"
+          + "ers/*}:setMasterAuth:\001*ZO\"J/v1/projects/"
           + "{project_id}/zones/{zone}/clusters/{clus"
-          + "ter_id}/nodePools/{node_pool_id}\332A\'proje"
-          + "ct_id,zone,cluster_id,node_pool_id\332A\004nam"
-          + "e\022\324\002\n\027RollbackNodePoolUpgrade\0223.google.c"
-          + "ontainer.v1.RollbackNodePoolUpgradeReque"
-          + "st\032\036.google.container.v1.Operation\"\343\001\202\323\344"
-          + "\223\002\253\001\"A/v1/{name=projects/*/locations/*/c"
-          + "lusters/*/nodePools/*}:rollback:\001*Zc\"^/v"
-          + "1/projects/{project_id}/zones/{zone}/clu"
-          + "sters/{cluster_id}/nodePools/{node_pool_"
-          + "id}:rollback:\001*\332A\'project_id,zone,cluste"
-          + "r_id,node_pool_id\332A\004name\022\251\002\n\025SetNodePool"
-          + "Management\0221.google.container.v1.SetNode"
-          + "PoolManagementRequest\032\036.google.container"
-          + ".v1.Operation\"\274\001\202\323\344\223\002\265\001\"F/v1/{name=proje"
+          + "ter_id}:setMasterAuth:\001*\022\365\001\n\rDeleteClust"
+          + "er\022).google.container.v1.DeleteClusterRe"
+          + "quest\032\036.google.container.v1.Operation\"\230\001"
+          + "\202\323\344\223\002n*,/v1/{name=projects/*/locations/*"
+          + "/clusters/*}Z>*</v1/projects/{project_id"
+          + "}/zones/{zone}/clusters/{cluster_id}\332A\032p"
+          + "roject_id,zone,cluster_id\332A\004name\022\350\001\n\016Lis"
+          + "tOperations\022*.google.container.v1.ListOp"
+          + "erationsRequest\032+.google.container.v1.Li"
+          + "stOperationsResponse\"}\202\323\344\223\002e\022./v1/{paren"
+          + "t=projects/*/locations/*}/operationsZ3\0221"
+          + "/v1/projects/{project_id}/zones/{zone}/o"
+          + "perations\332A\017project_id,zone\022\373\001\n\014GetOpera"
+          + "tion\022(.google.container.v1.GetOperationR"
+          + "equest\032\036.google.container.v1.Operation\"\240"
+          + "\001\202\323\344\223\002t\022./v1/{name=projects/*/locations/"
+          + "*/operations/*}ZB\022@/v1/projects/{project"
+          + "_id}/zones/{zone}/operations/{operation_"
+          + "id}\332A\034project_id,zone,operation_id\332A\004nam"
+          + "e\022\216\002\n\017CancelOperation\022+.google.container"
+          + ".v1.CancelOperationRequest\032\026.google.prot"
+          + "obuf.Empty\"\265\001\202\323\344\223\002\210\001\"5/v1/{name=projects"
+          + "/*/locations/*/operations/*}:cancel:\001*ZL"
+          + "\"G/v1/projects/{project_id}/zones/{zone}"
+          + "/operations/{operation_id}:cancel:\001*\332A\034p"
+          + "roject_id,zone,operation_id\332A\004name\022\352\001\n\017G"
+          + "etServerConfig\022+.google.container.v1.Get"
+          + "ServerConfigRequest\032!.google.container.v"
+          + "1.ServerConfig\"\206\001\202\323\344\223\002g\022./v1/{name=proje"
+          + "cts/*/locations/*}/serverConfigZ5\0223/v1/p"
+          + "rojects/{project_id}/zones/{zone}/server"
+          + "config\332A\017project_id,zone\332A\004name\022\246\001\n\016GetJ"
+          + "SONWebKeys\022*.google.container.v1.GetJSON"
+          + "WebKeysRequest\032+.google.container.v1.Get"
+          + "JSONWebKeysResponse\";\202\323\344\223\0025\0223/v1/{parent"
+          + "=projects/*/locations/*/clusters/*}/jwks"
+          + "\022\232\002\n\rListNodePools\022).google.container.v1"
+          + ".ListNodePoolsRequest\032*.google.container"
+          + ".v1.ListNodePoolsResponse\"\261\001\202\323\344\223\002\204\001\0228/v1"
+          + "/{parent=projects/*/locations/*/clusters"
+          + "/*}/nodePoolsZH\022F/v1/projects/{project_i"
+          + "d}/zones/{zone}/clusters/{cluster_id}/no"
+          + "dePools\332A\032project_id,zone,cluster_id\332A\006p"
+          + "arent\022\243\002\n\013GetNodePool\022\'.google.container"
+          + ".v1.GetNodePoolRequest\032\035.google.containe"
+          + "r.v1.NodePool\"\313\001\202\323\344\223\002\223\001\0228/v1/{name=proje"
           + "cts/*/locations/*/clusters/*/nodePools/*"
-          + "}:setManagement:\001*Zh\"c/v1/projects/{proj"
-          + "ect_id}/zones/{zone}/clusters/{cluster_i"
-          + "d}/nodePools/{node_pool_id}/setManagemen"
-          + "t:\001*\022\361\001\n\tSetLabels\022%.google.container.v1"
-          + ".SetLabelsRequest\032\036.google.container.v1."
-          + "Operation\"\234\001\202\323\344\223\002\225\001\">/v1/{name=projects/"
-          + "*/locations/*/clusters/*}:setResourceLab"
-          + "els:\001*ZP\"K/v1/projects/{project_id}/zone"
-          + "s/{zone}/clusters/{cluster_id}/resourceL"
-          + "abels:\001*\022\245\002\n\rSetLegacyAbac\022).google.cont"
-          + "ainer.v1.SetLegacyAbacRequest\032\036.google.c"
-          + "ontainer.v1.Operation\"\310\001\202\323\344\223\002\215\001\":/v1/{na"
-          + "me=projects/*/locations/*/clusters/*}:se"
-          + "tLegacyAbac:\001*ZL\"G/v1/projects/{project_"
-          + "id}/zones/{zone}/clusters/{cluster_id}/l"
-          + "egacyAbac:\001*\332A\"project_id,zone,cluster_i"
-          + "d,enabled\332A\014name,enabled\022\240\002\n\017StartIPRota"
-          + "tion\022+.google.container.v1.StartIPRotati"
-          + "onRequest\032\036.google.container.v1.Operatio"
-          + "n\"\277\001\202\323\344\223\002\224\001\"</v1/{name=projects/*/locati"
-          + "ons/*/clusters/*}:startIpRotation:\001*ZQ\"L"
-          + "/v1/projects/{project_id}/zones/{zone}/c"
-          + "lusters/{cluster_id}:startIpRotation:\001*\332"
-          + "A\032project_id,zone,cluster_id\332A\004name\022\254\002\n\022"
-          + "CompleteIPRotation\022..google.container.v1"
-          + ".CompleteIPRotationRequest\032\036.google.cont"
-          + "ainer.v1.Operation\"\305\001\202\323\344\223\002\232\001\"?/v1/{name="
-          + "projects/*/locations/*/clusters/*}:compl"
-          + "eteIpRotation:\001*ZT\"O/v1/projects/{projec"
-          + "t_id}/zones/{zone}/clusters/{cluster_id}"
-          + ":completeIpRotation:\001*\332A\032project_id,zone"
-          + ",cluster_id\332A\004name\022\221\002\n\017SetNodePoolSize\022+"
-          + ".google.container.v1.SetNodePoolSizeRequ"
-          + "est\032\036.google.container.v1.Operation\"\260\001\202\323"
-          + "\344\223\002\251\001\"@/v1/{name=projects/*/locations/*/"
-          + "clusters/*/nodePools/*}:setSize:\001*Zb\"]/v"
+          + "}ZW\022U/v1/projects/{project_id}/zones/{zo"
+          + "ne}/clusters/{cluster_id}/nodePools/{nod"
+          + "e_pool_id}\332A\'project_id,zone,cluster_id,"
+          + "node_pool_id\332A\004name\022\252\002\n\016CreateNodePool\022*"
+          + ".google.container.v1.CreateNodePoolReque"
+          + "st\032\036.google.container.v1.Operation\"\313\001\202\323\344"
+          + "\223\002\212\001\"8/v1/{parent=projects/*/locations/*"
+          + "/clusters/*}/nodePools:\001*ZK\"F/v1/project"
+          + "s/{project_id}/zones/{zone}/clusters/{cl"
+          + "uster_id}/nodePools:\001*\332A$project_id,zone"
+          + ",cluster_id,node_pool\332A\020parent,node_pool"
+          + "\022\252\002\n\016DeleteNodePool\022*.google.container.v"
+          + "1.DeleteNodePoolRequest\032\036.google.contain"
+          + "er.v1.Operation\"\313\001\202\323\344\223\002\223\001*8/v1/{name=pro"
+          + "jects/*/locations/*/clusters/*/nodePools"
+          + "/*}ZW*U/v1/projects/{project_id}/zones/{"
+          + "zone}/clusters/{cluster_id}/nodePools/{n"
+          + "ode_pool_id}\332A\'project_id,zone,cluster_i"
+          + "d,node_pool_id\332A\004name\022\324\002\n\027RollbackNodePo"
+          + "olUpgrade\0223.google.container.v1.Rollback"
+          + "NodePoolUpgradeRequest\032\036.google.containe"
+          + "r.v1.Operation\"\343\001\202\323\344\223\002\253\001\"A/v1/{name=proj"
+          + "ects/*/locations/*/clusters/*/nodePools/"
+          + "*}:rollback:\001*Zc\"^/v1/projects/{project_"
+          + "id}/zones/{zone}/clusters/{cluster_id}/n"
+          + "odePools/{node_pool_id}:rollback:\001*\332A\'pr"
+          + "oject_id,zone,cluster_id,node_pool_id\332A\004"
+          + "name\022\251\002\n\025SetNodePoolManagement\0221.google."
+          + "container.v1.SetNodePoolManagementReques"
+          + "t\032\036.google.container.v1.Operation\"\274\001\202\323\344\223"
+          + "\002\265\001\"F/v1/{name=projects/*/locations/*/cl"
+          + "usters/*/nodePools/*}:setManagement:\001*Zh"
+          + "\"c/v1/projects/{project_id}/zones/{zone}"
+          + "/clusters/{cluster_id}/nodePools/{node_p"
+          + "ool_id}/setManagement:\001*\022\361\001\n\tSetLabels\022%"
+          + ".google.container.v1.SetLabelsRequest\032\036."
+          + "google.container.v1.Operation\"\234\001\202\323\344\223\002\225\001\""
+          + ">/v1/{name=projects/*/locations/*/cluste"
+          + "rs/*}:setResourceLabels:\001*ZP\"K/v1/projec"
+          + "ts/{project_id}/zones/{zone}/clusters/{c"
+          + "luster_id}/resourceLabels:\001*\022\245\002\n\rSetLega"
+          + "cyAbac\022).google.container.v1.SetLegacyAb"
+          + "acRequest\032\036.google.container.v1.Operatio"
+          + "n\"\310\001\202\323\344\223\002\215\001\":/v1/{name=projects/*/locati"
+          + "ons/*/clusters/*}:setLegacyAbac:\001*ZL\"G/v"
           + "1/projects/{project_id}/zones/{zone}/clu"
-          + "sters/{cluster_id}/nodePools/{node_pool_"
-          + "id}/setSize:\001*\022\302\002\n\020SetNetworkPolicy\022,.go"
-          + "ogle.container.v1.SetNetworkPolicyReques"
-          + "t\032\036.google.container.v1.Operation\"\337\001\202\323\344\223"
-          + "\002\226\001\"=/v1/{name=projects/*/locations/*/cl"
-          + "usters/*}:setNetworkPolicy:\001*ZR\"M/v1/pro"
-          + "jects/{project_id}/zones/{zone}/clusters"
-          + "/{cluster_id}:setNetworkPolicy:\001*\332A)proj"
-          + "ect_id,zone,cluster_id,network_policy\332A\023"
-          + "name,network_policy\022\332\002\n\024SetMaintenancePo"
-          + "licy\0220.google.container.v1.SetMaintenanc"
-          + "ePolicyRequest\032\036.google.container.v1.Ope"
-          + "ration\"\357\001\202\323\344\223\002\236\001\"A/v1/{name=projects/*/l"
-          + "ocations/*/clusters/*}:setMaintenancePol"
-          + "icy:\001*ZV\"Q/v1/projects/{project_id}/zone"
-          + "s/{zone}/clusters/{cluster_id}:setMainte"
-          + "nancePolicy:\001*\332A-project_id,zone,cluster"
-          + "_id,maintenance_policy\332A\027name,maintenanc"
-          + "e_policy\022\274\001\n\025ListUsableSubnetworks\0221.goo"
-          + "gle.container.v1.ListUsableSubnetworksRe"
-          + "quest\0322.google.container.v1.ListUsableSu"
-          + "bnetworksResponse\"<\202\323\344\223\0026\0224/v1/{parent=p"
-          + "rojects/*}/aggregated/usableSubnetworks\032"
-          + "L\312A\030container.googleapis.com\322A.https://w"
-          + "ww.googleapis.com/auth/cloud-platformB\305\001"
-          + "\n\027com.google.container.v1B\023ClusterServic"
-          + "eProtoP\001Z<google.golang.org/genproto/goo"
-          + "gleapis/container/v1;container\252\002\031Google."
-          + "Cloud.Container.V1\312\002\031Google\\Cloud\\Contai"
-          + "ner\\V1\352\002\034Google::Cloud::Container::V1b\006p"
-          + "roto3"
+          + "sters/{cluster_id}/legacyAbac:\001*\332A\"proje"
+          + "ct_id,zone,cluster_id,enabled\332A\014name,ena"
+          + "bled\022\240\002\n\017StartIPRotation\022+.google.contai"
+          + "ner.v1.StartIPRotationRequest\032\036.google.c"
+          + "ontainer.v1.Operation\"\277\001\202\323\344\223\002\224\001\"</v1/{na"
+          + "me=projects/*/locations/*/clusters/*}:st"
+          + "artIpRotation:\001*ZQ\"L/v1/projects/{projec"
+          + "t_id}/zones/{zone}/clusters/{cluster_id}"
+          + ":startIpRotation:\001*\332A\032project_id,zone,cl"
+          + "uster_id\332A\004name\022\254\002\n\022CompleteIPRotation\022."
+          + ".google.container.v1.CompleteIPRotationR"
+          + "equest\032\036.google.container.v1.Operation\"\305"
+          + "\001\202\323\344\223\002\232\001\"?/v1/{name=projects/*/locations"
+          + "/*/clusters/*}:completeIpRotation:\001*ZT\"O"
+          + "/v1/projects/{project_id}/zones/{zone}/c"
+          + "lusters/{cluster_id}:completeIpRotation:"
+          + "\001*\332A\032project_id,zone,cluster_id\332A\004name\022\221"
+          + "\002\n\017SetNodePoolSize\022+.google.container.v1"
+          + ".SetNodePoolSizeRequest\032\036.google.contain"
+          + "er.v1.Operation\"\260\001\202\323\344\223\002\251\001\"@/v1/{name=pro"
+          + "jects/*/locations/*/clusters/*/nodePools"
+          + "/*}:setSize:\001*Zb\"]/v1/projects/{project_"
+          + "id}/zones/{zone}/clusters/{cluster_id}/n"
+          + "odePools/{node_pool_id}/setSize:\001*\022\302\002\n\020S"
+          + "etNetworkPolicy\022,.google.container.v1.Se"
+          + "tNetworkPolicyRequest\032\036.google.container"
+          + ".v1.Operation\"\337\001\202\323\344\223\002\226\001\"=/v1/{name=proje"
+          + "cts/*/locations/*/clusters/*}:setNetwork"
+          + "Policy:\001*ZR\"M/v1/projects/{project_id}/z"
+          + "ones/{zone}/clusters/{cluster_id}:setNet"
+          + "workPolicy:\001*\332A)project_id,zone,cluster_"
+          + "id,network_policy\332A\023name,network_policy\022"
+          + "\332\002\n\024SetMaintenancePolicy\0220.google.contai"
+          + "ner.v1.SetMaintenancePolicyRequest\032\036.goo"
+          + "gle.container.v1.Operation\"\357\001\202\323\344\223\002\236\001\"A/v"
+          + "1/{name=projects/*/locations/*/clusters/"
+          + "*}:setMaintenancePolicy:\001*ZV\"Q/v1/projec"
+          + "ts/{project_id}/zones/{zone}/clusters/{c"
+          + "luster_id}:setMaintenancePolicy:\001*\332A-pro"
+          + "ject_id,zone,cluster_id,maintenance_poli"
+          + "cy\332A\027name,maintenance_policy\022\274\001\n\025ListUsa"
+          + "bleSubnetworks\0221.google.container.v1.Lis"
+          + "tUsableSubnetworksRequest\0322.google.conta"
+          + "iner.v1.ListUsableSubnetworksResponse\"<\202"
+          + "\323\344\223\0026\0224/v1/{parent=projects/*}/aggregate"
+          + "d/usableSubnetworks\032L\312A\030container.google"
+          + "apis.com\322A.https://www.googleapis.com/au"
+          + "th/cloud-platformB\305\001\n\027com.google.contain"
+          + "er.v1B\023ClusterServiceProtoP\001Z<google.gol"
+          + "ang.org/genproto/googleapis/container/v1"
+          + ";container\252\002\031Google.Cloud.Container.V1\312\002"
+          + "\031Google\\Cloud\\Container\\V1\352\002\034Google::Clo"
+          + "ud::Container::V1b\006proto3"
     };
     descriptor =
         com.google.protobuf.Descriptors.FileDescriptor.internalBuildGeneratedFileFrom(
@@ -1955,6 +1955,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "DiskType",
               "ShieldedInstanceConfig",
               "BootDiskKmsKey",
+              "ImageType",
             });
     internal_static_google_container_v1_ResourceLimit_descriptor =
         getDescriptor().getMessageTypes().get(65);
diff --git a/proto-google-cloud-container-v1/src/main/proto/google/container/v1/cluster_service.proto b/proto-google-cloud-container-v1/src/main/proto/google/container/v1/cluster_service.proto
index 040173ec..59539587 100644
--- a/proto-google-cloud-container-v1/src/main/proto/google/container/v1/cluster_service.proto
+++ b/proto-google-cloud-container-v1/src/main/proto/google/container/v1/cluster_service.proto
@@ -1,4 +1,4 @@
-// Copyright 2020 Google LLC
+// Copyright 2021 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -2764,6 +2764,9 @@ message AutoprovisioningNodePoolDefaults {
   // see:
   // https://cloud.google.com/compute/docs/disks/customer-managed-encryption
   string boot_disk_kms_key = 9;
+
+  // The image type to use for NAP created node.
+  string image_type = 10;
 }
 
 // Contains information about amount of some resource in the cluster.
diff --git a/synth.metadata b/synth.metadata
index e6a85532..6e3f77b4 100644
--- a/synth.metadata
+++ b/synth.metadata
@@ -4,15 +4,15 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/java-container.git",
-        "sha": "c5ba11e7de35cc30346c2263d181c2e6da09e070"
+        "sha": "eb66d7a298595cd0f3fe90328318aff7999b5b88"
       }
     },
     {
       "git": {
         "name": "googleapis",
         "remote": "https://github.com/googleapis/googleapis.git",
-        "sha": "a5f96d06ef57e325761bad010f460d0c5dbeccda",
-        "internalRef": "377081269"
+        "sha": "e610c3bbc75e66fcfd5d7c46fab225c5978700df",
+        "internalRef": "378163331"
       }
     },
     {