diff --git a/packages/clients/src/api/vpcgw/v1/index.gen.ts b/packages/clients/src/api/vpcgw/v1/index.gen.ts
index 1fd9a1913..a89dd9c83 100644
--- a/packages/clients/src/api/vpcgw/v1/index.gen.ts
+++ b/packages/clients/src/api/vpcgw/v1/index.gen.ts
@@ -30,6 +30,7 @@ export type {
   GetIPRequest,
   GetPATRuleRequest,
   IP,
+  IpamConfig,
   ListDHCPEntriesRequest,
   ListDHCPEntriesRequestOrderBy,
   ListDHCPEntriesResponse,
diff --git a/packages/clients/src/api/vpcgw/v1/marshalling.gen.ts b/packages/clients/src/api/vpcgw/v1/marshalling.gen.ts
index 77d6fc703..4925d9659 100644
--- a/packages/clients/src/api/vpcgw/v1/marshalling.gen.ts
+++ b/packages/clients/src/api/vpcgw/v1/marshalling.gen.ts
@@ -21,6 +21,7 @@ import type {
   GatewayNetwork,
   GatewayType,
   IP,
+  IpamConfig,
   ListDHCPEntriesResponse,
   ListDHCPsResponse,
   ListGatewayNetworksResponse,
@@ -340,6 +341,13 @@ export const marshalCreateDHCPRequest = (
   valid_lifetime: request.validLifetime,
 })
 
+const marshalIpamConfig = (
+  request: IpamConfig,
+  defaults: DefaultValues,
+): Record<string, unknown> => ({
+  push_default_route: request.pushDefaultRoute,
+})
+
 const marshalSetDHCPEntriesRequestEntry = (
   request: SetDHCPEntriesRequestEntry,
   defaults: DefaultValues,
@@ -390,6 +398,12 @@ export const marshalCreateGatewayNetworkRequest = (
       param: 'address',
       value: request.address,
     },
+    {
+      param: 'ipam_config',
+      value: request.ipamConfig
+        ? marshalIpamConfig(request.ipamConfig, defaults)
+        : undefined,
+    },
   ]),
 })
 
@@ -481,7 +495,7 @@ export const marshalUpdateGatewayNetworkRequest = (
 ): Record<string, unknown> => ({
   enable_dhcp: request.enableDhcp,
   enable_masquerade: request.enableMasquerade,
-  ...resolveOneOf([
+  ...resolveOneOf<unknown>([
     {
       param: 'dhcp_id',
       value: request.dhcpId,
@@ -490,6 +504,12 @@ export const marshalUpdateGatewayNetworkRequest = (
       param: 'address',
       value: request.address,
     },
+    {
+      param: 'ipam_config',
+      value: request.ipamConfig
+        ? marshalIpamConfig(request.ipamConfig, defaults)
+        : undefined,
+    },
   ]),
 })
 
diff --git a/packages/clients/src/api/vpcgw/v1/types.gen.ts b/packages/clients/src/api/vpcgw/v1/types.gen.ts
index 3ef62a126..46fcc8637 100644
--- a/packages/clients/src/api/vpcgw/v1/types.gen.ts
+++ b/packages/clients/src/api/vpcgw/v1/types.gen.ts
@@ -284,6 +284,12 @@ export interface IP {
   zone: Zone
 }
 
+/** Ipam config. */
+export interface IpamConfig {
+  /** Defines whether the default route is enabled on that Gateway Network. */
+  pushDefaultRoute: boolean
+}
+
 /** List dhcp entries response. */
 export interface ListDHCPEntriesResponse {
   /** DHCP entries in this page. */
@@ -541,33 +547,44 @@ export type CreateGatewayNetworkRequest = {
   privateNetworkId: string
   /** Defines whether to enable masquerade (dynamic NAT) on this network. */
   enableMasquerade: boolean
+  /**
+   * Defines whether to enable DHCP on this Private Network. Defaults to `true`
+   * if either `dhcp_id` or `dhcp` are present. If set to `true`, either
+   * `dhcp_id` or `dhcp` must be present.
+   */
+  enableDhcp?: boolean
   /**
    * ID of an existing DHCP configuration object to use for this GatewayNetwork.
    *
-   * One-of ('ipConfig'): at most one of 'dhcpId', 'dhcp', 'address' could be
-   * set.
+   * One-of ('ipConfig'): at most one of 'dhcpId', 'dhcp', 'address',
+   * 'ipamConfig' could be set.
    */
   dhcpId?: string
   /**
    * New DHCP configuration object to use for this GatewayNetwork.
    *
-   * One-of ('ipConfig'): at most one of 'dhcpId', 'dhcp', 'address' could be
-   * set.
+   * One-of ('ipConfig'): at most one of 'dhcpId', 'dhcp', 'address',
+   * 'ipamConfig' could be set.
    */
   dhcp?: CreateDHCPRequest
   /**
    * Static IP address in CIDR format to to use without DHCP.
    *
-   * One-of ('ipConfig'): at most one of 'dhcpId', 'dhcp', 'address' could be
-   * set.
+   * One-of ('ipConfig'): at most one of 'dhcpId', 'dhcp', 'address',
+   * 'ipamConfig' could be set.
    */
   address?: string
   /**
-   * Defines whether to enable DHCP on this Private Network. Defaults to `true`
-   * if either `dhcp_id` or `dhcp` are present. If set to `true`, either
-   * `dhcp_id` or `dhcp` must be present.
+   * Auto-configure the GatewayNetwork using Scaleway's IPAM (IP address
+   * management service). Note: all or none of the GatewayNetworks for a single
+   * gateway can use the IPAM. DHCP and IPAM configurations cannot be mixed.
+   * Some products may require that the Public Gateway uses the IPAM, to ensure
+   * correct functionality.
+   *
+   * One-of ('ipConfig'): at most one of 'dhcpId', 'dhcp', 'address',
+   * 'ipamConfig' could be set.
    */
-  enableDhcp?: boolean
+  ipamConfig?: IpamConfig
 }
 
 export type UpdateGatewayNetworkRequest = {
@@ -577,20 +594,29 @@ export type UpdateGatewayNetworkRequest = {
   gatewayNetworkId: string
   /** Defines whether to enable masquerade (dynamic NAT) on the GatewayNetwork. */
   enableMasquerade?: boolean
+  /** Defines whether to enable DHCP on the connected Private Network. */
+  enableDhcp?: boolean
   /**
    * ID of the new DHCP configuration object to use with this GatewayNetwork.
    *
-   * One-of ('ipConfig'): at most one of 'dhcpId', 'address' could be set.
+   * One-of ('ipConfig'): at most one of 'dhcpId', 'address', 'ipamConfig' could
+   * be set.
    */
   dhcpId?: string
-  /** Defines whether to enable DHCP on the connected Private Network. */
-  enableDhcp?: boolean
   /**
    * New static IP address.
    *
-   * One-of ('ipConfig'): at most one of 'dhcpId', 'address' could be set.
+   * One-of ('ipConfig'): at most one of 'dhcpId', 'address', 'ipamConfig' could
+   * be set.
    */
   address?: string
+  /**
+   * New IPAM configuration to use for this GatewayNetwork.
+   *
+   * One-of ('ipConfig'): at most one of 'dhcpId', 'address', 'ipamConfig' could
+   * be set.
+   */
+  ipamConfig?: IpamConfig
 }
 
 export type DeleteGatewayNetworkRequest = {