diff --git a/clients/client-redshift/src/commands/CreateClusterCommand.ts b/clients/client-redshift/src/commands/CreateClusterCommand.ts
index e259f755e3758..f72f1d18153db 100644
--- a/clients/client-redshift/src/commands/CreateClusterCommand.ts
+++ b/clients/client-redshift/src/commands/CreateClusterCommand.ts
@@ -103,6 +103,7 @@ export interface CreateClusterCommandOutput extends CreateClusterResult, __Metad
  *   LoadSampleData: "STRING_VALUE",
  *   ManageMasterPassword: true || false,
  *   MasterPasswordSecretKmsKeyId: "STRING_VALUE",
+ *   IpAddressType: "STRING_VALUE",
  * };
  * const command = new CreateClusterCommand(input);
  * const response = await client.send(command);
@@ -128,6 +129,7 @@ export interface CreateClusterCommandOutput extends CreateClusterResult, __Metad
  * //               SubnetId: "STRING_VALUE",
  * //               PrivateIpAddress: "STRING_VALUE",
  * //               AvailabilityZone: "STRING_VALUE",
+ * //               Ipv6Address: "STRING_VALUE",
  * //             },
  * //           ],
  * //         },
@@ -282,6 +284,7 @@ export interface CreateClusterCommandOutput extends CreateClusterResult, __Metad
  * //     CustomDomainCertificateExpiryDate: new Date("TIMESTAMP"),
  * //     MasterPasswordSecretArn: "STRING_VALUE",
  * //     MasterPasswordSecretKmsKeyId: "STRING_VALUE",
+ * //     IpAddressType: "STRING_VALUE",
  * //   },
  * // };
  *
@@ -352,6 +355,10 @@ export interface CreateClusterCommandOutput extends CreateClusterResult, __Metad
  * @throws {@link InvalidVPCNetworkStateFault} (client fault)
  *  <p>The cluster subnet group does not cover all Availability Zones.</p>
  *
+ * @throws {@link Ipv6CidrBlockNotFoundFault} (client fault)
+ *  <p>There are no subnets in your VPC with associated IPv6 CIDR blocks. To use dual-stack mode,
+ *             associate an IPv6 CIDR block with each subnet in your VPC.</p>
+ *
  * @throws {@link LimitExceededFault} (client fault)
  *  <p>The encryption key has exceeded its grant limit in Amazon Web Services KMS.</p>
  *
diff --git a/clients/client-redshift/src/commands/CreateClusterSubnetGroupCommand.ts b/clients/client-redshift/src/commands/CreateClusterSubnetGroupCommand.ts
index 6ad52c3a2e414..0072237cb5f1c 100644
--- a/clients/client-redshift/src/commands/CreateClusterSubnetGroupCommand.ts
+++ b/clients/client-redshift/src/commands/CreateClusterSubnetGroupCommand.ts
@@ -91,6 +91,9 @@ export interface CreateClusterSubnetGroupCommandOutput extends CreateClusterSubn
  * //         Value: "STRING_VALUE",
  * //       },
  * //     ],
+ * //     SupportedClusterIpAddressTypes: [ // ValueStringList
+ * //       "STRING_VALUE",
+ * //     ],
  * //   },
  * // };
  *
diff --git a/clients/client-redshift/src/commands/CreateEndpointAccessCommand.ts b/clients/client-redshift/src/commands/CreateEndpointAccessCommand.ts
index 67a2d5c04bf43..e5508c2f56938 100644
--- a/clients/client-redshift/src/commands/CreateEndpointAccessCommand.ts
+++ b/clients/client-redshift/src/commands/CreateEndpointAccessCommand.ts
@@ -79,6 +79,7 @@ export interface CreateEndpointAccessCommandOutput extends EndpointAccess, __Met
  * //         SubnetId: "STRING_VALUE",
  * //         PrivateIpAddress: "STRING_VALUE",
  * //         AvailabilityZone: "STRING_VALUE",
+ * //         Ipv6Address: "STRING_VALUE",
  * //       },
  * //     ],
  * //   },
diff --git a/clients/client-redshift/src/commands/DeleteClusterCommand.ts b/clients/client-redshift/src/commands/DeleteClusterCommand.ts
index bcfa6c08ea048..db561573621bc 100644
--- a/clients/client-redshift/src/commands/DeleteClusterCommand.ts
+++ b/clients/client-redshift/src/commands/DeleteClusterCommand.ts
@@ -89,6 +89,7 @@ export interface DeleteClusterCommandOutput extends DeleteClusterResult, __Metad
  * //               SubnetId: "STRING_VALUE",
  * //               PrivateIpAddress: "STRING_VALUE",
  * //               AvailabilityZone: "STRING_VALUE",
+ * //               Ipv6Address: "STRING_VALUE",
  * //             },
  * //           ],
  * //         },
@@ -243,6 +244,7 @@ export interface DeleteClusterCommandOutput extends DeleteClusterResult, __Metad
  * //     CustomDomainCertificateExpiryDate: new Date("TIMESTAMP"),
  * //     MasterPasswordSecretArn: "STRING_VALUE",
  * //     MasterPasswordSecretKmsKeyId: "STRING_VALUE",
+ * //     IpAddressType: "STRING_VALUE",
  * //   },
  * // };
  *
diff --git a/clients/client-redshift/src/commands/DeleteEndpointAccessCommand.ts b/clients/client-redshift/src/commands/DeleteEndpointAccessCommand.ts
index d86ac66841896..889225e0bb822 100644
--- a/clients/client-redshift/src/commands/DeleteEndpointAccessCommand.ts
+++ b/clients/client-redshift/src/commands/DeleteEndpointAccessCommand.ts
@@ -73,6 +73,7 @@ export interface DeleteEndpointAccessCommandOutput extends EndpointAccess, __Met
  * //         SubnetId: "STRING_VALUE",
  * //         PrivateIpAddress: "STRING_VALUE",
  * //         AvailabilityZone: "STRING_VALUE",
+ * //         Ipv6Address: "STRING_VALUE",
  * //       },
  * //     ],
  * //   },
diff --git a/clients/client-redshift/src/commands/DescribeClusterSubnetGroupsCommand.ts b/clients/client-redshift/src/commands/DescribeClusterSubnetGroupsCommand.ts
index fd60ad359756e..35be9b83b68da 100644
--- a/clients/client-redshift/src/commands/DescribeClusterSubnetGroupsCommand.ts
+++ b/clients/client-redshift/src/commands/DescribeClusterSubnetGroupsCommand.ts
@@ -95,6 +95,9 @@ export interface DescribeClusterSubnetGroupsCommandOutput extends ClusterSubnetG
  * //           Value: "STRING_VALUE",
  * //         },
  * //       ],
+ * //       SupportedClusterIpAddressTypes: [ // ValueStringList
+ * //         "STRING_VALUE",
+ * //       ],
  * //     },
  * //   ],
  * // };
diff --git a/clients/client-redshift/src/commands/DescribeClustersCommand.ts b/clients/client-redshift/src/commands/DescribeClustersCommand.ts
index 3ea79101c7a33..1c97d49d71fb5 100644
--- a/clients/client-redshift/src/commands/DescribeClustersCommand.ts
+++ b/clients/client-redshift/src/commands/DescribeClustersCommand.ts
@@ -93,6 +93,7 @@ export interface DescribeClustersCommandOutput extends ClustersMessage, __Metada
  * //                 SubnetId: "STRING_VALUE",
  * //                 PrivateIpAddress: "STRING_VALUE",
  * //                 AvailabilityZone: "STRING_VALUE",
+ * //                 Ipv6Address: "STRING_VALUE",
  * //               },
  * //             ],
  * //           },
@@ -247,6 +248,7 @@ export interface DescribeClustersCommandOutput extends ClustersMessage, __Metada
  * //       CustomDomainCertificateExpiryDate: new Date("TIMESTAMP"),
  * //       MasterPasswordSecretArn: "STRING_VALUE",
  * //       MasterPasswordSecretKmsKeyId: "STRING_VALUE",
+ * //       IpAddressType: "STRING_VALUE",
  * //     },
  * //   ],
  * // };
diff --git a/clients/client-redshift/src/commands/DescribeEndpointAccessCommand.ts b/clients/client-redshift/src/commands/DescribeEndpointAccessCommand.ts
index 7f809aeb5007e..08b2b3006fe04 100644
--- a/clients/client-redshift/src/commands/DescribeEndpointAccessCommand.ts
+++ b/clients/client-redshift/src/commands/DescribeEndpointAccessCommand.ts
@@ -80,6 +80,7 @@ export interface DescribeEndpointAccessCommandOutput extends EndpointAccessList,
  * //             SubnetId: "STRING_VALUE",
  * //             PrivateIpAddress: "STRING_VALUE",
  * //             AvailabilityZone: "STRING_VALUE",
+ * //             Ipv6Address: "STRING_VALUE",
  * //           },
  * //         ],
  * //       },
diff --git a/clients/client-redshift/src/commands/DescribeEventCategoriesCommand.ts b/clients/client-redshift/src/commands/DescribeEventCategoriesCommand.ts
index 3c913654cc2bb..da4e9cb50e0fe 100644
--- a/clients/client-redshift/src/commands/DescribeEventCategoriesCommand.ts
+++ b/clients/client-redshift/src/commands/DescribeEventCategoriesCommand.ts
@@ -14,8 +14,7 @@ import {
   SMITHY_CONTEXT_KEY,
 } from "@smithy/types";
 
-import { DescribeEventCategoriesMessage } from "../models/models_0";
-import { EventCategoriesMessage } from "../models/models_1";
+import { DescribeEventCategoriesMessage, EventCategoriesMessage } from "../models/models_1";
 import { de_DescribeEventCategoriesCommand, se_DescribeEventCategoriesCommand } from "../protocols/Aws_query";
 import { RedshiftClientResolvedConfig, ServiceInputTypes, ServiceOutputTypes } from "../RedshiftClient";
 
diff --git a/clients/client-redshift/src/commands/DisableSnapshotCopyCommand.ts b/clients/client-redshift/src/commands/DisableSnapshotCopyCommand.ts
index f9a6f8c26682b..275ddf7bffaf3 100644
--- a/clients/client-redshift/src/commands/DisableSnapshotCopyCommand.ts
+++ b/clients/client-redshift/src/commands/DisableSnapshotCopyCommand.ts
@@ -79,6 +79,7 @@ export interface DisableSnapshotCopyCommandOutput extends DisableSnapshotCopyRes
  * //               SubnetId: "STRING_VALUE",
  * //               PrivateIpAddress: "STRING_VALUE",
  * //               AvailabilityZone: "STRING_VALUE",
+ * //               Ipv6Address: "STRING_VALUE",
  * //             },
  * //           ],
  * //         },
@@ -233,6 +234,7 @@ export interface DisableSnapshotCopyCommandOutput extends DisableSnapshotCopyRes
  * //     CustomDomainCertificateExpiryDate: new Date("TIMESTAMP"),
  * //     MasterPasswordSecretArn: "STRING_VALUE",
  * //     MasterPasswordSecretKmsKeyId: "STRING_VALUE",
+ * //     IpAddressType: "STRING_VALUE",
  * //   },
  * // };
  *
diff --git a/clients/client-redshift/src/commands/EnableSnapshotCopyCommand.ts b/clients/client-redshift/src/commands/EnableSnapshotCopyCommand.ts
index e168221c29605..a80990dc7858e 100644
--- a/clients/client-redshift/src/commands/EnableSnapshotCopyCommand.ts
+++ b/clients/client-redshift/src/commands/EnableSnapshotCopyCommand.ts
@@ -80,6 +80,7 @@ export interface EnableSnapshotCopyCommandOutput extends EnableSnapshotCopyResul
  * //               SubnetId: "STRING_VALUE",
  * //               PrivateIpAddress: "STRING_VALUE",
  * //               AvailabilityZone: "STRING_VALUE",
+ * //               Ipv6Address: "STRING_VALUE",
  * //             },
  * //           ],
  * //         },
@@ -234,6 +235,7 @@ export interface EnableSnapshotCopyCommandOutput extends EnableSnapshotCopyResul
  * //     CustomDomainCertificateExpiryDate: new Date("TIMESTAMP"),
  * //     MasterPasswordSecretArn: "STRING_VALUE",
  * //     MasterPasswordSecretKmsKeyId: "STRING_VALUE",
+ * //     IpAddressType: "STRING_VALUE",
  * //   },
  * // };
  *
diff --git a/clients/client-redshift/src/commands/ModifyClusterCommand.ts b/clients/client-redshift/src/commands/ModifyClusterCommand.ts
index 6ec9684e6b2d7..4002571de894a 100644
--- a/clients/client-redshift/src/commands/ModifyClusterCommand.ts
+++ b/clients/client-redshift/src/commands/ModifyClusterCommand.ts
@@ -89,6 +89,7 @@ export interface ModifyClusterCommandOutput extends ModifyClusterResult, __Metad
  *   Port: Number("int"),
  *   ManageMasterPassword: true || false,
  *   MasterPasswordSecretKmsKeyId: "STRING_VALUE",
+ *   IpAddressType: "STRING_VALUE",
  * };
  * const command = new ModifyClusterCommand(input);
  * const response = await client.send(command);
@@ -114,6 +115,7 @@ export interface ModifyClusterCommandOutput extends ModifyClusterResult, __Metad
  * //               SubnetId: "STRING_VALUE",
  * //               PrivateIpAddress: "STRING_VALUE",
  * //               AvailabilityZone: "STRING_VALUE",
+ * //               Ipv6Address: "STRING_VALUE",
  * //             },
  * //           ],
  * //         },
@@ -268,6 +270,7 @@ export interface ModifyClusterCommandOutput extends ModifyClusterResult, __Metad
  * //     CustomDomainCertificateExpiryDate: new Date("TIMESTAMP"),
  * //     MasterPasswordSecretArn: "STRING_VALUE",
  * //     MasterPasswordSecretKmsKeyId: "STRING_VALUE",
+ * //     IpAddressType: "STRING_VALUE",
  * //   },
  * // };
  *
@@ -327,6 +330,10 @@ export interface ModifyClusterCommandOutput extends ModifyClusterResult, __Metad
  *  <p>The retention period specified is either in the past or is not a valid value.</p>
  *          <p>The value must be either -1 or an integer between 1 and 3,653.</p>
  *
+ * @throws {@link Ipv6CidrBlockNotFoundFault} (client fault)
+ *  <p>There are no subnets in your VPC with associated IPv6 CIDR blocks. To use dual-stack mode,
+ *             associate an IPv6 CIDR block with each subnet in your VPC.</p>
+ *
  * @throws {@link LimitExceededFault} (client fault)
  *  <p>The encryption key has exceeded its grant limit in Amazon Web Services KMS.</p>
  *
diff --git a/clients/client-redshift/src/commands/ModifyClusterDbRevisionCommand.ts b/clients/client-redshift/src/commands/ModifyClusterDbRevisionCommand.ts
index 6f37134e74d8d..b733270499981 100644
--- a/clients/client-redshift/src/commands/ModifyClusterDbRevisionCommand.ts
+++ b/clients/client-redshift/src/commands/ModifyClusterDbRevisionCommand.ts
@@ -77,6 +77,7 @@ export interface ModifyClusterDbRevisionCommandOutput extends ModifyClusterDbRev
  * //               SubnetId: "STRING_VALUE",
  * //               PrivateIpAddress: "STRING_VALUE",
  * //               AvailabilityZone: "STRING_VALUE",
+ * //               Ipv6Address: "STRING_VALUE",
  * //             },
  * //           ],
  * //         },
@@ -231,6 +232,7 @@ export interface ModifyClusterDbRevisionCommandOutput extends ModifyClusterDbRev
  * //     CustomDomainCertificateExpiryDate: new Date("TIMESTAMP"),
  * //     MasterPasswordSecretArn: "STRING_VALUE",
  * //     MasterPasswordSecretKmsKeyId: "STRING_VALUE",
+ * //     IpAddressType: "STRING_VALUE",
  * //   },
  * // };
  *
diff --git a/clients/client-redshift/src/commands/ModifyClusterIamRolesCommand.ts b/clients/client-redshift/src/commands/ModifyClusterIamRolesCommand.ts
index d0f3b9be29fde..40edf25d1bdb9 100644
--- a/clients/client-redshift/src/commands/ModifyClusterIamRolesCommand.ts
+++ b/clients/client-redshift/src/commands/ModifyClusterIamRolesCommand.ts
@@ -86,6 +86,7 @@ export interface ModifyClusterIamRolesCommandOutput extends ModifyClusterIamRole
  * //               SubnetId: "STRING_VALUE",
  * //               PrivateIpAddress: "STRING_VALUE",
  * //               AvailabilityZone: "STRING_VALUE",
+ * //               Ipv6Address: "STRING_VALUE",
  * //             },
  * //           ],
  * //         },
@@ -240,6 +241,7 @@ export interface ModifyClusterIamRolesCommandOutput extends ModifyClusterIamRole
  * //     CustomDomainCertificateExpiryDate: new Date("TIMESTAMP"),
  * //     MasterPasswordSecretArn: "STRING_VALUE",
  * //     MasterPasswordSecretKmsKeyId: "STRING_VALUE",
+ * //     IpAddressType: "STRING_VALUE",
  * //   },
  * // };
  *
diff --git a/clients/client-redshift/src/commands/ModifyClusterMaintenanceCommand.ts b/clients/client-redshift/src/commands/ModifyClusterMaintenanceCommand.ts
index 7214f06172fd1..bfaf9ac8896c5 100644
--- a/clients/client-redshift/src/commands/ModifyClusterMaintenanceCommand.ts
+++ b/clients/client-redshift/src/commands/ModifyClusterMaintenanceCommand.ts
@@ -80,6 +80,7 @@ export interface ModifyClusterMaintenanceCommandOutput extends ModifyClusterMain
  * //               SubnetId: "STRING_VALUE",
  * //               PrivateIpAddress: "STRING_VALUE",
  * //               AvailabilityZone: "STRING_VALUE",
+ * //               Ipv6Address: "STRING_VALUE",
  * //             },
  * //           ],
  * //         },
@@ -234,6 +235,7 @@ export interface ModifyClusterMaintenanceCommandOutput extends ModifyClusterMain
  * //     CustomDomainCertificateExpiryDate: new Date("TIMESTAMP"),
  * //     MasterPasswordSecretArn: "STRING_VALUE",
  * //     MasterPasswordSecretKmsKeyId: "STRING_VALUE",
+ * //     IpAddressType: "STRING_VALUE",
  * //   },
  * // };
  *
diff --git a/clients/client-redshift/src/commands/ModifyClusterSubnetGroupCommand.ts b/clients/client-redshift/src/commands/ModifyClusterSubnetGroupCommand.ts
index 0c7586d8e5e06..3833a472ce628 100644
--- a/clients/client-redshift/src/commands/ModifyClusterSubnetGroupCommand.ts
+++ b/clients/client-redshift/src/commands/ModifyClusterSubnetGroupCommand.ts
@@ -80,6 +80,9 @@ export interface ModifyClusterSubnetGroupCommandOutput extends ModifyClusterSubn
  * //         Value: "STRING_VALUE",
  * //       },
  * //     ],
+ * //     SupportedClusterIpAddressTypes: [ // ValueStringList
+ * //       "STRING_VALUE",
+ * //     ],
  * //   },
  * // };
  *
diff --git a/clients/client-redshift/src/commands/ModifyEndpointAccessCommand.ts b/clients/client-redshift/src/commands/ModifyEndpointAccessCommand.ts
index 4431479b5e673..1e1e553d6ffe7 100644
--- a/clients/client-redshift/src/commands/ModifyEndpointAccessCommand.ts
+++ b/clients/client-redshift/src/commands/ModifyEndpointAccessCommand.ts
@@ -77,6 +77,7 @@ export interface ModifyEndpointAccessCommandOutput extends EndpointAccess, __Met
  * //         SubnetId: "STRING_VALUE",
  * //         PrivateIpAddress: "STRING_VALUE",
  * //         AvailabilityZone: "STRING_VALUE",
+ * //         Ipv6Address: "STRING_VALUE",
  * //       },
  * //     ],
  * //   },
diff --git a/clients/client-redshift/src/commands/ModifySnapshotCopyRetentionPeriodCommand.ts b/clients/client-redshift/src/commands/ModifySnapshotCopyRetentionPeriodCommand.ts
index e369460354d3e..46279395e3d71 100644
--- a/clients/client-redshift/src/commands/ModifySnapshotCopyRetentionPeriodCommand.ts
+++ b/clients/client-redshift/src/commands/ModifySnapshotCopyRetentionPeriodCommand.ts
@@ -88,6 +88,7 @@ export interface ModifySnapshotCopyRetentionPeriodCommandOutput
  * //               SubnetId: "STRING_VALUE",
  * //               PrivateIpAddress: "STRING_VALUE",
  * //               AvailabilityZone: "STRING_VALUE",
+ * //               Ipv6Address: "STRING_VALUE",
  * //             },
  * //           ],
  * //         },
@@ -242,6 +243,7 @@ export interface ModifySnapshotCopyRetentionPeriodCommandOutput
  * //     CustomDomainCertificateExpiryDate: new Date("TIMESTAMP"),
  * //     MasterPasswordSecretArn: "STRING_VALUE",
  * //     MasterPasswordSecretKmsKeyId: "STRING_VALUE",
+ * //     IpAddressType: "STRING_VALUE",
  * //   },
  * // };
  *
diff --git a/clients/client-redshift/src/commands/PauseClusterCommand.ts b/clients/client-redshift/src/commands/PauseClusterCommand.ts
index d90a95f9ff7c1..66a43507414b8 100644
--- a/clients/client-redshift/src/commands/PauseClusterCommand.ts
+++ b/clients/client-redshift/src/commands/PauseClusterCommand.ts
@@ -72,6 +72,7 @@ export interface PauseClusterCommandOutput extends PauseClusterResult, __Metadat
  * //               SubnetId: "STRING_VALUE",
  * //               PrivateIpAddress: "STRING_VALUE",
  * //               AvailabilityZone: "STRING_VALUE",
+ * //               Ipv6Address: "STRING_VALUE",
  * //             },
  * //           ],
  * //         },
@@ -226,6 +227,7 @@ export interface PauseClusterCommandOutput extends PauseClusterResult, __Metadat
  * //     CustomDomainCertificateExpiryDate: new Date("TIMESTAMP"),
  * //     MasterPasswordSecretArn: "STRING_VALUE",
  * //     MasterPasswordSecretKmsKeyId: "STRING_VALUE",
+ * //     IpAddressType: "STRING_VALUE",
  * //   },
  * // };
  *
diff --git a/clients/client-redshift/src/commands/RebootClusterCommand.ts b/clients/client-redshift/src/commands/RebootClusterCommand.ts
index 7d7621a888ab2..17148e692b55a 100644
--- a/clients/client-redshift/src/commands/RebootClusterCommand.ts
+++ b/clients/client-redshift/src/commands/RebootClusterCommand.ts
@@ -78,6 +78,7 @@ export interface RebootClusterCommandOutput extends RebootClusterResult, __Metad
  * //               SubnetId: "STRING_VALUE",
  * //               PrivateIpAddress: "STRING_VALUE",
  * //               AvailabilityZone: "STRING_VALUE",
+ * //               Ipv6Address: "STRING_VALUE",
  * //             },
  * //           ],
  * //         },
@@ -232,6 +233,7 @@ export interface RebootClusterCommandOutput extends RebootClusterResult, __Metad
  * //     CustomDomainCertificateExpiryDate: new Date("TIMESTAMP"),
  * //     MasterPasswordSecretArn: "STRING_VALUE",
  * //     MasterPasswordSecretKmsKeyId: "STRING_VALUE",
+ * //     IpAddressType: "STRING_VALUE",
  * //   },
  * // };
  *
diff --git a/clients/client-redshift/src/commands/ResizeClusterCommand.ts b/clients/client-redshift/src/commands/ResizeClusterCommand.ts
index f017e060be835..3df535490405e 100644
--- a/clients/client-redshift/src/commands/ResizeClusterCommand.ts
+++ b/clients/client-redshift/src/commands/ResizeClusterCommand.ts
@@ -120,6 +120,7 @@ export interface ResizeClusterCommandOutput extends ResizeClusterResult, __Metad
  * //               SubnetId: "STRING_VALUE",
  * //               PrivateIpAddress: "STRING_VALUE",
  * //               AvailabilityZone: "STRING_VALUE",
+ * //               Ipv6Address: "STRING_VALUE",
  * //             },
  * //           ],
  * //         },
@@ -274,6 +275,7 @@ export interface ResizeClusterCommandOutput extends ResizeClusterResult, __Metad
  * //     CustomDomainCertificateExpiryDate: new Date("TIMESTAMP"),
  * //     MasterPasswordSecretArn: "STRING_VALUE",
  * //     MasterPasswordSecretKmsKeyId: "STRING_VALUE",
+ * //     IpAddressType: "STRING_VALUE",
  * //   },
  * // };
  *
diff --git a/clients/client-redshift/src/commands/RestoreFromClusterSnapshotCommand.ts b/clients/client-redshift/src/commands/RestoreFromClusterSnapshotCommand.ts
index 9bf30a4d97aa9..7b62e6dfcadc3 100644
--- a/clients/client-redshift/src/commands/RestoreFromClusterSnapshotCommand.ts
+++ b/clients/client-redshift/src/commands/RestoreFromClusterSnapshotCommand.ts
@@ -101,6 +101,7 @@ export interface RestoreFromClusterSnapshotCommandOutput extends RestoreFromClus
  *   Encrypted: true || false,
  *   ManageMasterPassword: true || false,
  *   MasterPasswordSecretKmsKeyId: "STRING_VALUE",
+ *   IpAddressType: "STRING_VALUE",
  * };
  * const command = new RestoreFromClusterSnapshotCommand(input);
  * const response = await client.send(command);
@@ -126,6 +127,7 @@ export interface RestoreFromClusterSnapshotCommandOutput extends RestoreFromClus
  * //               SubnetId: "STRING_VALUE",
  * //               PrivateIpAddress: "STRING_VALUE",
  * //               AvailabilityZone: "STRING_VALUE",
+ * //               Ipv6Address: "STRING_VALUE",
  * //             },
  * //           ],
  * //         },
@@ -280,6 +282,7 @@ export interface RestoreFromClusterSnapshotCommandOutput extends RestoreFromClus
  * //     CustomDomainCertificateExpiryDate: new Date("TIMESTAMP"),
  * //     MasterPasswordSecretArn: "STRING_VALUE",
  * //     MasterPasswordSecretKmsKeyId: "STRING_VALUE",
+ * //     IpAddressType: "STRING_VALUE",
  * //   },
  * // };
  *
@@ -367,6 +370,10 @@ export interface RestoreFromClusterSnapshotCommandOutput extends RestoreFromClus
  * @throws {@link InvalidVPCNetworkStateFault} (client fault)
  *  <p>The cluster subnet group does not cover all Availability Zones.</p>
  *
+ * @throws {@link Ipv6CidrBlockNotFoundFault} (client fault)
+ *  <p>There are no subnets in your VPC with associated IPv6 CIDR blocks. To use dual-stack mode,
+ *             associate an IPv6 CIDR block with each subnet in your VPC.</p>
+ *
  * @throws {@link LimitExceededFault} (client fault)
  *  <p>The encryption key has exceeded its grant limit in Amazon Web Services KMS.</p>
  *
diff --git a/clients/client-redshift/src/commands/ResumeClusterCommand.ts b/clients/client-redshift/src/commands/ResumeClusterCommand.ts
index 15c9e4ace4b2c..3df6ca74bbd8d 100644
--- a/clients/client-redshift/src/commands/ResumeClusterCommand.ts
+++ b/clients/client-redshift/src/commands/ResumeClusterCommand.ts
@@ -72,6 +72,7 @@ export interface ResumeClusterCommandOutput extends ResumeClusterResult, __Metad
  * //               SubnetId: "STRING_VALUE",
  * //               PrivateIpAddress: "STRING_VALUE",
  * //               AvailabilityZone: "STRING_VALUE",
+ * //               Ipv6Address: "STRING_VALUE",
  * //             },
  * //           ],
  * //         },
@@ -226,6 +227,7 @@ export interface ResumeClusterCommandOutput extends ResumeClusterResult, __Metad
  * //     CustomDomainCertificateExpiryDate: new Date("TIMESTAMP"),
  * //     MasterPasswordSecretArn: "STRING_VALUE",
  * //     MasterPasswordSecretKmsKeyId: "STRING_VALUE",
+ * //     IpAddressType: "STRING_VALUE",
  * //   },
  * // };
  *
diff --git a/clients/client-redshift/src/commands/RotateEncryptionKeyCommand.ts b/clients/client-redshift/src/commands/RotateEncryptionKeyCommand.ts
index 297428763974e..4c4eb7f76e191 100644
--- a/clients/client-redshift/src/commands/RotateEncryptionKeyCommand.ts
+++ b/clients/client-redshift/src/commands/RotateEncryptionKeyCommand.ts
@@ -75,6 +75,7 @@ export interface RotateEncryptionKeyCommandOutput extends RotateEncryptionKeyRes
  * //               SubnetId: "STRING_VALUE",
  * //               PrivateIpAddress: "STRING_VALUE",
  * //               AvailabilityZone: "STRING_VALUE",
+ * //               Ipv6Address: "STRING_VALUE",
  * //             },
  * //           ],
  * //         },
@@ -229,6 +230,7 @@ export interface RotateEncryptionKeyCommandOutput extends RotateEncryptionKeyRes
  * //     CustomDomainCertificateExpiryDate: new Date("TIMESTAMP"),
  * //     MasterPasswordSecretArn: "STRING_VALUE",
  * //     MasterPasswordSecretKmsKeyId: "STRING_VALUE",
+ * //     IpAddressType: "STRING_VALUE",
  * //   },
  * // };
  *
diff --git a/clients/client-redshift/src/models/models_0.ts b/clients/client-redshift/src/models/models_0.ts
index 767a367e4d3f3..20f47d3755eb6 100644
--- a/clients/client-redshift/src/models/models_0.ts
+++ b/clients/client-redshift/src/models/models_0.ts
@@ -2434,6 +2434,12 @@ export interface NetworkInterface {
    * <p>The Availability Zone. </p>
    */
   AvailabilityZone?: string;
+
+  /**
+   * @public
+   * <p>The IPv6 address of the network interface within the subnet. </p>
+   */
+  Ipv6Address?: string;
 }
 
 /**
@@ -3318,6 +3324,12 @@ export interface Cluster {
    * <p>The ID of the Key Management Service (KMS) key used to encrypt and store the cluster's admin credentials secret.</p>
    */
   MasterPasswordSecretKmsKeyId?: string;
+
+  /**
+   * @public
+   * <p>The IP address type for the cluster. Possible values are <code>ipv4</code> and <code>dualstack</code>.</p>
+   */
+  IpAddressType?: string;
 }
 
 /**
@@ -3961,6 +3973,12 @@ export interface ClusterSubnetGroup {
    * <p>The list of tags for the cluster subnet group.</p>
    */
   Tags?: Tag[];
+
+  /**
+   * @public
+   * <p>The IP address types supported by this cluster subnet group. Possible values are <code>ipv4</code> and <code>dualstack</code>.</p>
+   */
+  SupportedClusterIpAddressTypes?: string[];
 }
 
 /**
@@ -4726,6 +4744,12 @@ export interface CreateClusterMessage {
    *             You can only use this parameter if <code>ManageMasterPassword</code> is true.</p>
    */
   MasterPasswordSecretKmsKeyId?: string;
+
+  /**
+   * @public
+   * <p>The IP address types that the cluster supports. Possible values are <code>ipv4</code> and <code>dualstack</code>.</p>
+   */
+  IpAddressType?: string;
 }
 
 /**
@@ -4922,6 +4946,27 @@ export class InvalidVPCNetworkStateFault extends __BaseException {
   }
 }
 
+/**
+ * @public
+ * <p>There are no subnets in your VPC with associated IPv6 CIDR blocks. To use dual-stack mode,
+ *             associate an IPv6 CIDR block with each subnet in your VPC.</p>
+ */
+export class Ipv6CidrBlockNotFoundFault extends __BaseException {
+  readonly name: "Ipv6CidrBlockNotFoundFault" = "Ipv6CidrBlockNotFoundFault";
+  readonly $fault: "client" = "client";
+  /**
+   * @internal
+   */
+  constructor(opts: __ExceptionOptionType<Ipv6CidrBlockNotFoundFault, __BaseException>) {
+    super({
+      name: "Ipv6CidrBlockNotFoundFault",
+      $fault: "client",
+      ...opts,
+    });
+    Object.setPrototypeOf(this, Ipv6CidrBlockNotFoundFault.prototype);
+  }
+}
+
 /**
  * @public
  * <p>The operation would exceed the number of nodes allowed for a cluster.</p>
@@ -8832,20 +8877,6 @@ export interface EndpointAuthorizationList {
   Marker?: string;
 }
 
-/**
- * @public
- * <p></p>
- */
-export interface DescribeEventCategoriesMessage {
-  /**
-   * @public
-   * <p>The source type, such as cluster or parameter group, to which the described event
-   *             categories apply.</p>
-   *          <p>Valid values: cluster, cluster-snapshot, cluster-parameter-group, cluster-security-group, and scheduled-action.</p>
-   */
-  SourceType?: string;
-}
-
 /**
  * @internal
  */
diff --git a/clients/client-redshift/src/models/models_1.ts b/clients/client-redshift/src/models/models_1.ts
index b93e115d40064..7329dab9922cf 100644
--- a/clients/client-redshift/src/models/models_1.ts
+++ b/clients/client-redshift/src/models/models_1.ts
@@ -30,6 +30,20 @@ import {
 } from "./models_0";
 import { RedshiftServiceException as __BaseException } from "./RedshiftServiceException";
 
+/**
+ * @public
+ * <p></p>
+ */
+export interface DescribeEventCategoriesMessage {
+  /**
+   * @public
+   * <p>The source type, such as cluster or parameter group, to which the described event
+   *             categories apply.</p>
+   *          <p>Valid values: cluster, cluster-snapshot, cluster-parameter-group, cluster-security-group, and scheduled-action.</p>
+   */
+  SourceType?: string;
+}
+
 /**
  * @public
  * <p>Describes event information.</p>
@@ -3381,6 +3395,12 @@ export interface ModifyClusterMessage {
    *             You can only use this parameter if <code>ManageMasterPassword</code> is true.</p>
    */
   MasterPasswordSecretKmsKeyId?: string;
+
+  /**
+   * @public
+   * <p>The IP address types that the cluster supports. Possible values are <code>ipv4</code> and <code>dualstack</code>.</p>
+   */
+  IpAddressType?: string;
 }
 
 /**
@@ -4537,6 +4557,12 @@ export interface RestoreFromClusterSnapshotMessage {
    *             You can only use this parameter if <code>ManageMasterPassword</code> is true.</p>
    */
   MasterPasswordSecretKmsKeyId?: string;
+
+  /**
+   * @public
+   * <p>The IP address type for the cluster. Possible values are <code>ipv4</code> and <code>dualstack</code>.</p>
+   */
+  IpAddressType?: string;
 }
 
 /**
diff --git a/clients/client-redshift/src/protocols/Aws_query.ts b/clients/client-redshift/src/protocols/Aws_query.ts
index 0e61e00c65002..63d463efd84f5 100644
--- a/clients/client-redshift/src/protocols/Aws_query.ts
+++ b/clients/client-redshift/src/protocols/Aws_query.ts
@@ -605,7 +605,6 @@ import {
   DescribeDefaultClusterParametersResult,
   DescribeEndpointAccessMessage,
   DescribeEndpointAuthorizationMessage,
-  DescribeEventCategoriesMessage,
   EC2SecurityGroup,
   ElasticIpStatus,
   Endpoint,
@@ -658,6 +657,7 @@ import {
   InvalidUsageLimitFault,
   InvalidVPCNetworkStateFault,
   IPRange,
+  Ipv6CidrBlockNotFoundFault,
   LimitExceededFault,
   MaintenanceTrack,
   NetworkInterface,
@@ -729,6 +729,7 @@ import {
   VpcSecurityGroupMembership,
 } from "../models/models_0";
 import {
+  DescribeEventCategoriesMessage,
   DescribeEventsMessage,
   DescribeEventSubscriptionsMessage,
   DescribeHsmClientCertificatesMessage,
@@ -3761,6 +3762,9 @@ const de_CreateClusterCommandError = async (
     case "InvalidVPCNetworkStateFault":
     case "com.amazonaws.redshift#InvalidVPCNetworkStateFault":
       throw await de_InvalidVPCNetworkStateFaultRes(parsedOutput, context);
+    case "Ipv6CidrBlockNotFoundFault":
+    case "com.amazonaws.redshift#Ipv6CidrBlockNotFoundFault":
+      throw await de_Ipv6CidrBlockNotFoundFaultRes(parsedOutput, context);
     case "LimitExceededFault":
     case "com.amazonaws.redshift#LimitExceededFault":
       throw await de_LimitExceededFaultRes(parsedOutput, context);
@@ -8157,6 +8161,9 @@ const de_ModifyClusterCommandError = async (
     case "InvalidRetentionPeriodFault":
     case "com.amazonaws.redshift#InvalidRetentionPeriodFault":
       throw await de_InvalidRetentionPeriodFaultRes(parsedOutput, context);
+    case "Ipv6CidrBlockNotFoundFault":
+    case "com.amazonaws.redshift#Ipv6CidrBlockNotFoundFault":
+      throw await de_Ipv6CidrBlockNotFoundFaultRes(parsedOutput, context);
     case "LimitExceededFault":
     case "com.amazonaws.redshift#LimitExceededFault":
       throw await de_LimitExceededFaultRes(parsedOutput, context);
@@ -9439,6 +9446,9 @@ const de_RestoreFromClusterSnapshotCommandError = async (
     case "InvalidVPCNetworkStateFault":
     case "com.amazonaws.redshift#InvalidVPCNetworkStateFault":
       throw await de_InvalidVPCNetworkStateFaultRes(parsedOutput, context);
+    case "Ipv6CidrBlockNotFoundFault":
+    case "com.amazonaws.redshift#Ipv6CidrBlockNotFoundFault":
+      throw await de_Ipv6CidrBlockNotFoundFaultRes(parsedOutput, context);
     case "LimitExceededFault":
     case "com.amazonaws.redshift#LimitExceededFault":
       throw await de_LimitExceededFaultRes(parsedOutput, context);
@@ -11202,6 +11212,22 @@ const de_InvalidVPCNetworkStateFaultRes = async (
   return __decorateServiceException(exception, body);
 };
 
+/**
+ * deserializeAws_queryIpv6CidrBlockNotFoundFaultRes
+ */
+const de_Ipv6CidrBlockNotFoundFaultRes = async (
+  parsedOutput: any,
+  context: __SerdeContext
+): Promise<Ipv6CidrBlockNotFoundFault> => {
+  const body = parsedOutput.body;
+  const deserialized: any = de_Ipv6CidrBlockNotFoundFault(body.Error, context);
+  const exception = new Ipv6CidrBlockNotFoundFault({
+    $metadata: deserializeMetadata(parsedOutput),
+    ...deserialized,
+  });
+  return __decorateServiceException(exception, body);
+};
+
 /**
  * deserializeAws_queryLimitExceededFaultRes
  */
@@ -12332,6 +12358,9 @@ const se_CreateClusterMessage = (input: CreateClusterMessage, context: __SerdeCo
   if (input.MasterPasswordSecretKmsKeyId != null) {
     entries["MasterPasswordSecretKmsKeyId"] = input.MasterPasswordSecretKmsKeyId;
   }
+  if (input.IpAddressType != null) {
+    entries["IpAddressType"] = input.IpAddressType;
+  }
   return entries;
 };
 
@@ -14577,6 +14606,9 @@ const se_ModifyClusterMessage = (input: ModifyClusterMessage, context: __SerdeCo
   if (input.MasterPasswordSecretKmsKeyId != null) {
     entries["MasterPasswordSecretKmsKeyId"] = input.MasterPasswordSecretKmsKeyId;
   }
+  if (input.IpAddressType != null) {
+    entries["IpAddressType"] = input.IpAddressType;
+  }
   return entries;
 };
 
@@ -15217,6 +15249,9 @@ const se_RestoreFromClusterSnapshotMessage = (
   if (input.MasterPasswordSecretKmsKeyId != null) {
     entries["MasterPasswordSecretKmsKeyId"] = input.MasterPasswordSecretKmsKeyId;
   }
+  if (input.IpAddressType != null) {
+    entries["IpAddressType"] = input.IpAddressType;
+  }
   return entries;
 };
 
@@ -16372,6 +16407,9 @@ const de_Cluster = (output: any, context: __SerdeContext): Cluster => {
   if (output["MasterPasswordSecretKmsKeyId"] !== undefined) {
     contents.MasterPasswordSecretKmsKeyId = __expectString(output["MasterPasswordSecretKmsKeyId"]);
   }
+  if (output["IpAddressType"] !== undefined) {
+    contents.IpAddressType = __expectString(output["IpAddressType"]);
+  }
   return contents;
 };
 
@@ -17017,6 +17055,17 @@ const de_ClusterSubnetGroup = (output: any, context: __SerdeContext): ClusterSub
   } else if (output["Tags"] !== undefined && output["Tags"]["Tag"] !== undefined) {
     contents.Tags = de_TagList(__getArrayIfSingleItem(output["Tags"]["Tag"]), context);
   }
+  if (output.SupportedClusterIpAddressTypes === "") {
+    contents.SupportedClusterIpAddressTypes = [];
+  } else if (
+    output["SupportedClusterIpAddressTypes"] !== undefined &&
+    output["SupportedClusterIpAddressTypes"]["item"] !== undefined
+  ) {
+    contents.SupportedClusterIpAddressTypes = de_ValueStringList(
+      __getArrayIfSingleItem(output["SupportedClusterIpAddressTypes"]["item"]),
+      context
+    );
+  }
   return contents;
 };
 
@@ -19209,6 +19258,17 @@ const de_IPRangeList = (output: any, context: __SerdeContext): IPRange[] => {
     });
 };
 
+/**
+ * deserializeAws_queryIpv6CidrBlockNotFoundFault
+ */
+const de_Ipv6CidrBlockNotFoundFault = (output: any, context: __SerdeContext): Ipv6CidrBlockNotFoundFault => {
+  const contents: any = {};
+  if (output["message"] !== undefined) {
+    contents.message = __expectString(output["message"]);
+  }
+  return contents;
+};
+
 /**
  * deserializeAws_queryLimitExceededFault
  */
@@ -19448,6 +19508,9 @@ const de_NetworkInterface = (output: any, context: __SerdeContext): NetworkInter
   if (output["AvailabilityZone"] !== undefined) {
     contents.AvailabilityZone = __expectString(output["AvailabilityZone"]);
   }
+  if (output["Ipv6Address"] !== undefined) {
+    contents.Ipv6Address = __expectString(output["Ipv6Address"]);
+  }
   return contents;
 };
 
@@ -21709,6 +21772,17 @@ const de_UsageLimits = (output: any, context: __SerdeContext): UsageLimit[] => {
     });
 };
 
+/**
+ * deserializeAws_queryValueStringList
+ */
+const de_ValueStringList = (output: any, context: __SerdeContext): string[] => {
+  return (output || [])
+    .filter((e: any) => e != null)
+    .map((entry: any) => {
+      return __expectString(entry) as any;
+    });
+};
+
 /**
  * deserializeAws_queryVpcEndpoint
  */
diff --git a/codegen/sdk-codegen/aws-models/redshift.json b/codegen/sdk-codegen/aws-models/redshift.json
index e22368e80405b..5cc475249eb89 100644
--- a/codegen/sdk-codegen/aws-models/redshift.json
+++ b/codegen/sdk-codegen/aws-models/redshift.json
@@ -1496,6 +1496,12 @@
           "traits": {
             "smithy.api#documentation": "<p>The ID of the Key Management Service (KMS) key used to encrypt and store the cluster's admin credentials secret.</p>"
           }
+        },
+        "IpAddressType": {
+          "target": "com.amazonaws.redshift#String",
+          "traits": {
+            "smithy.api#documentation": "<p>The IP address type for the cluster. Possible values are <code>ipv4</code> and <code>dualstack</code>.</p>"
+          }
         }
       },
       "traits": {
@@ -2265,6 +2271,12 @@
           "traits": {
             "smithy.api#documentation": "<p>The list of tags for the cluster subnet group.</p>"
           }
+        },
+        "SupportedClusterIpAddressTypes": {
+          "target": "com.amazonaws.redshift#ValueStringList",
+          "traits": {
+            "smithy.api#documentation": "<p>The IP address types supported by this cluster subnet group. Possible values are <code>ipv4</code> and <code>dualstack</code>.</p>"
+          }
         }
       },
       "traits": {
@@ -2681,6 +2693,9 @@
         {
           "target": "com.amazonaws.redshift#InvalidVPCNetworkStateFault"
         },
+        {
+          "target": "com.amazonaws.redshift#Ipv6CidrBlockNotFoundFault"
+        },
         {
           "target": "com.amazonaws.redshift#LimitExceededFault"
         },
@@ -2928,6 +2943,12 @@
           "traits": {
             "smithy.api#documentation": "<p>The ID of the Key Management Service (KMS) key used to encrypt and store the cluster's admin credentials secret. \n            You can only use this parameter if <code>ManageMasterPassword</code> is true.</p>"
           }
+        },
+        "IpAddressType": {
+          "target": "com.amazonaws.redshift#String",
+          "traits": {
+            "smithy.api#documentation": "<p>The IP address types that the cluster supports. Possible values are <code>ipv4</code> and <code>dualstack</code>.</p>"
+          }
         }
       },
       "traits": {
@@ -10263,6 +10284,23 @@
         "smithy.api#httpError": 400
       }
     },
+    "com.amazonaws.redshift#Ipv6CidrBlockNotFoundFault": {
+      "type": "structure",
+      "members": {
+        "message": {
+          "target": "com.amazonaws.redshift#ExceptionMessage"
+        }
+      },
+      "traits": {
+        "aws.protocols#awsQueryError": {
+          "code": "Ipv6CidrBlockNotFoundFault",
+          "httpResponseCode": 400
+        },
+        "smithy.api#documentation": "<p>There are no subnets in your VPC with associated IPv6 CIDR blocks. To use dual-stack mode,\n            associate an IPv6 CIDR block with each subnet in your VPC.</p>",
+        "smithy.api#error": "client",
+        "smithy.api#httpError": 400
+      }
+    },
     "com.amazonaws.redshift#LimitExceededFault": {
       "type": "structure",
       "members": {
@@ -10585,6 +10623,9 @@
         {
           "target": "com.amazonaws.redshift#InvalidRetentionPeriodFault"
         },
+        {
+          "target": "com.amazonaws.redshift#Ipv6CidrBlockNotFoundFault"
+        },
         {
           "target": "com.amazonaws.redshift#LimitExceededFault"
         },
@@ -10978,6 +11019,12 @@
           "traits": {
             "smithy.api#documentation": "<p>The ID of the Key Management Service (KMS) key used to encrypt and store the cluster's admin credentials secret. \n            You can only use this parameter if <code>ManageMasterPassword</code> is true.</p>"
           }
+        },
+        "IpAddressType": {
+          "target": "com.amazonaws.redshift#String",
+          "traits": {
+            "smithy.api#documentation": "<p>The IP address types that the cluster supports. Possible values are <code>ipv4</code> and <code>dualstack</code>.</p>"
+          }
         }
       },
       "traits": {
@@ -11752,6 +11799,12 @@
           "traits": {
             "smithy.api#documentation": "<p>The Availability Zone. </p>"
           }
+        },
+        "Ipv6Address": {
+          "target": "com.amazonaws.redshift#String",
+          "traits": {
+            "smithy.api#documentation": "<p>The IPv6 address of the network interface within the subnet. </p>"
+          }
         }
       },
       "traits": {
@@ -15047,6 +15100,9 @@
         {
           "target": "com.amazonaws.redshift#InvalidVPCNetworkStateFault"
         },
+        {
+          "target": "com.amazonaws.redshift#Ipv6CidrBlockNotFoundFault"
+        },
         {
           "target": "com.amazonaws.redshift#LimitExceededFault"
         },
@@ -15299,6 +15355,12 @@
           "traits": {
             "smithy.api#documentation": "<p>The ID of the Key Management Service (KMS) key used to encrypt and store the cluster's admin credentials secret. \n            You can only use this parameter if <code>ManageMasterPassword</code> is true.</p>"
           }
+        },
+        "IpAddressType": {
+          "target": "com.amazonaws.redshift#String",
+          "traits": {
+            "smithy.api#documentation": "<p>The IP address type for the cluster. Possible values are <code>ipv4</code> and <code>dualstack</code>.</p>"
+          }
         }
       },
       "traits": {