diff --git a/packages/clients/src/api/document_db/v1beta1/index.gen.ts b/packages/clients/src/api/document_db/v1beta1/index.gen.ts
index 045d2b2b8..66b55bba9 100644
--- a/packages/clients/src/api/document_db/v1beta1/index.gen.ts
+++ b/packages/clients/src/api/document_db/v1beta1/index.gen.ts
@@ -114,11 +114,14 @@ export type {
   SetPrivilegeRequest,
   Snapshot,
   SnapshotStatus,
+  SnapshotVolumeType,
+  StorageClass,
   UpdateInstanceRequest,
   UpdateSnapshotRequest,
   UpdateUserRequest,
   UpgradableVersion,
   UpgradeInstanceRequest,
+  UpgradeInstanceRequestMajorUpgradeWorkflow,
   User,
   Volume,
   VolumeType,
diff --git a/packages/clients/src/api/document_db/v1beta1/marshalling.gen.ts b/packages/clients/src/api/document_db/v1beta1/marshalling.gen.ts
index 246c8e448..3037e1b73 100644
--- a/packages/clients/src/api/document_db/v1beta1/marshalling.gen.ts
+++ b/packages/clients/src/api/document_db/v1beta1/marshalling.gen.ts
@@ -76,11 +76,13 @@ import type {
   SetInstanceSettingsResponse,
   SetPrivilegeRequest,
   Snapshot,
+  SnapshotVolumeType,
   UpdateInstanceRequest,
   UpdateSnapshotRequest,
   UpdateUserRequest,
   UpgradableVersion,
   UpgradeInstanceRequest,
+  UpgradeInstanceRequestMajorUpgradeWorkflow,
   User,
   Volume,
 } from './types.gen'
@@ -279,6 +281,7 @@ const unmarshalVolume = (data: unknown): Volume => {
   }
 
   return {
+    class: data.class,
     size: data.size,
     type: data.type,
   } as Volume
@@ -347,6 +350,19 @@ export const unmarshalPrivilege = (data: unknown): Privilege => {
   } as Privilege
 }
 
+const unmarshalSnapshotVolumeType = (data: unknown): SnapshotVolumeType => {
+  if (!isJSONObject(data)) {
+    throw new TypeError(
+      `Unmarshalling the type 'SnapshotVolumeType' failed as data isn't a dictionary.`,
+    )
+  }
+
+  return {
+    class: data.class,
+    type: data.type,
+  } as SnapshotVolumeType
+}
+
 export const unmarshalSnapshot = (data: unknown): Snapshot => {
   if (!isJSONObject(data)) {
     throw new TypeError(
@@ -366,6 +382,9 @@ export const unmarshalSnapshot = (data: unknown): Snapshot => {
     size: data.size,
     status: data.status,
     updatedAt: unmarshalDate(data.updated_at),
+    volumeType: data.volume_type
+      ? unmarshalSnapshotVolumeType(data.volume_type)
+      : undefined,
   } as Snapshot
 }
 
@@ -661,6 +680,7 @@ const unmarshalNodeTypeVolumeType = (data: unknown): NodeTypeVolumeType => {
 
   return {
     chunkSize: data.chunk_size,
+    class: data.class,
     description: data.description,
     maxSize: data.max_size,
     minSize: data.min_size,
@@ -1129,15 +1149,33 @@ export const marshalUpdateUserRequest = (
   password: request.password,
 })
 
+const marshalUpgradeInstanceRequestMajorUpgradeWorkflow = (
+  request: UpgradeInstanceRequestMajorUpgradeWorkflow,
+  defaults: DefaultValues,
+): Record<string, unknown> => ({
+  upgradable_version_id: request.upgradableVersionId,
+  with_endpoints: request.withEndpoints,
+})
+
 export const marshalUpgradeInstanceRequest = (
   request: UpgradeInstanceRequest,
   defaults: DefaultValues,
 ): Record<string, unknown> => ({
-  ...resolveOneOf<string | boolean | number>([
+  ...resolveOneOf<string | boolean | number | Record<string, unknown>>([
     { param: 'node_type', value: request.nodeType },
     { param: 'enable_ha', value: request.enableHa },
     { param: 'volume_size', value: request.volumeSize },
     { param: 'volume_type', value: request.volumeType },
     { param: 'upgradable_version_id', value: request.upgradableVersionId },
+    {
+      param: 'major_upgrade_workflow',
+      value:
+        request.majorUpgradeWorkflow !== undefined
+          ? marshalUpgradeInstanceRequestMajorUpgradeWorkflow(
+              request.majorUpgradeWorkflow,
+              defaults,
+            )
+          : undefined,
+    },
   ]),
 })
diff --git a/packages/clients/src/api/document_db/v1beta1/types.gen.ts b/packages/clients/src/api/document_db/v1beta1/types.gen.ts
index 0f401b59a..5d1fce2fc 100644
--- a/packages/clients/src/api/document_db/v1beta1/types.gen.ts
+++ b/packages/clients/src/api/document_db/v1beta1/types.gen.ts
@@ -101,7 +101,9 @@ export type SnapshotStatus =
   | 'error'
   | 'locked'
 
-export type VolumeType = 'lssd' | 'bssd'
+export type StorageClass = 'unknown_storage_class' | 'lssd' | 'bssd' | 'sbs'
+
+export type VolumeType = 'lssd' | 'bssd' | 'sbs_5k' | 'sbs_15k'
 
 export interface EndpointDirectAccessDetails {}
 
@@ -316,6 +318,7 @@ export interface UpgradableVersion {
 export interface Volume {
   type: VolumeType
   size: number
+  class: StorageClass
 }
 
 export interface NodeTypeVolumeConstraintSizes {
@@ -336,6 +339,13 @@ export interface NodeTypeVolumeType {
   maxSize: number
   /** Minimum increment level for a Block Storage volume size. */
   chunkSize: number
+  /** The storage class of the volume. */
+  class: StorageClass
+}
+
+export interface SnapshotVolumeType {
+  type: VolumeType
+  class: StorageClass
 }
 
 export interface ACLRuleRequest {
@@ -546,6 +556,8 @@ export interface Snapshot {
   instanceName: string
   /** Source node type. */
   nodeType: string
+  /** Type of volume where data is stored (lssd, bssd or sbs). */
+  volumeType?: SnapshotVolumeType
   /** Region of this snapshot. */
   region: Region
 }
@@ -564,6 +576,19 @@ export interface User {
   isAdmin: boolean
 }
 
+export interface UpgradeInstanceRequestMajorUpgradeWorkflow {
+  /**
+   * This will create a new Database Instance with same specifications as the
+   * current one and perform a Database Engine upgrade.
+   */
+  upgradableVersionId: string
+  /**
+   * At the end of the migration procedure this option let you migrate all your
+   * database endpoint to the upgraded instance.
+   */
+  withEndpoints: boolean
+}
+
 export type AddInstanceACLRulesRequest = {
   /**
    * Region to target. If none is passed will use default region from the
@@ -1349,7 +1374,8 @@ export type UpgradeInstanceRequest = {
    * Node type of the Database Instance you want to upgrade to.
    *
    * One-of ('upgradeTarget'): at most one of 'nodeType', 'enableHa',
-   * 'volumeSize', 'volumeType', 'upgradableVersionId' could be set.
+   * 'volumeSize', 'volumeType', 'upgradableVersionId', 'majorUpgradeWorkflow'
+   * could be set.
    */
   nodeType?: string
   /**
@@ -1357,21 +1383,24 @@ export type UpgradeInstanceRequest = {
    * Instance.
    *
    * One-of ('upgradeTarget'): at most one of 'nodeType', 'enableHa',
-   * 'volumeSize', 'volumeType', 'upgradableVersionId' could be set.
+   * 'volumeSize', 'volumeType', 'upgradableVersionId', 'majorUpgradeWorkflow'
+   * could be set.
    */
   enableHa?: boolean
   /**
    * Increase your Block volume size.
    *
    * One-of ('upgradeTarget'): at most one of 'nodeType', 'enableHa',
-   * 'volumeSize', 'volumeType', 'upgradableVersionId' could be set.
+   * 'volumeSize', 'volumeType', 'upgradableVersionId', 'majorUpgradeWorkflow'
+   * could be set.
    */
   volumeSize?: number
   /**
    * Change your Database Instance storage type.
    *
    * One-of ('upgradeTarget'): at most one of 'nodeType', 'enableHa',
-   * 'volumeSize', 'volumeType', 'upgradableVersionId' could be set.
+   * 'volumeSize', 'volumeType', 'upgradableVersionId', 'majorUpgradeWorkflow'
+   * could be set.
    */
   volumeType?: VolumeType
   /**
@@ -1379,7 +1408,17 @@ export type UpgradeInstanceRequest = {
    * current one and perform a Database Engine upgrade.
    *
    * One-of ('upgradeTarget'): at most one of 'nodeType', 'enableHa',
-   * 'volumeSize', 'volumeType', 'upgradableVersionId' could be set.
+   * 'volumeSize', 'volumeType', 'upgradableVersionId', 'majorUpgradeWorkflow'
+   * could be set.
    */
   upgradableVersionId?: string
+  /**
+   * Upgrade your database engine to a new major version including instance
+   * endpoints.
+   *
+   * One-of ('upgradeTarget'): at most one of 'nodeType', 'enableHa',
+   * 'volumeSize', 'volumeType', 'upgradableVersionId', 'majorUpgradeWorkflow'
+   * could be set.
+   */
+  majorUpgradeWorkflow?: UpgradeInstanceRequestMajorUpgradeWorkflow
 }