diff --git a/scaleway-async/scaleway_async/lb/v1/api.py b/scaleway-async/scaleway_async/lb/v1/api.py
index bd34829f7..64ed333cd 100644
--- a/scaleway-async/scaleway_async/lb/v1/api.py
+++ b/scaleway-async/scaleway_async/lb/v1/api.py
@@ -107,6 +107,7 @@
     ZonedApiCreateLbRequest,
     ZonedApiCreateRouteRequest,
     ZonedApiCreateSubscriberRequest,
+    ZonedApiDetachPrivateNetworkRequest,
     ZonedApiMigrateLbRequest,
     ZonedApiRemoveBackendServersRequest,
     ZonedApiSetAclsRequest,
@@ -183,6 +184,7 @@
     marshal_ZonedApiCreateLbRequest,
     marshal_ZonedApiCreateRouteRequest,
     marshal_ZonedApiCreateSubscriberRequest,
+    marshal_ZonedApiDetachPrivateNetworkRequest,
     marshal_ZonedApiMigrateLbRequest,
     marshal_ZonedApiRemoveBackendServersRequest,
     marshal_ZonedApiSetAclsRequest,
@@ -3162,13 +3164,10 @@ async def attach_private_network(
 
         param_zone = validate_path_param("zone", zone or self.client.default_zone)
         param_lb_id = validate_path_param("lb_id", lb_id)
-        param_private_network_id = validate_path_param(
-            "private_network_id", private_network_id
-        )
 
         res = self._request(
             "POST",
-            f"/lb/v1/zones/{param_zone}/lbs/{param_lb_id}/private-networks/{param_private_network_id}/attach",
+            f"/lb/v1/zones/{param_zone}/lbs/{param_lb_id}/attach-private-network",
             body=marshal_ZonedApiAttachPrivateNetworkRequest(
                 ZonedApiAttachPrivateNetworkRequest(
                     lb_id=lb_id,
@@ -3211,14 +3210,18 @@ async def detach_private_network(
 
         param_zone = validate_path_param("zone", zone or self.client.default_zone)
         param_lb_id = validate_path_param("lb_id", lb_id)
-        param_private_network_id = validate_path_param(
-            "private_network_id", private_network_id
-        )
 
         res = self._request(
             "POST",
-            f"/lb/v1/zones/{param_zone}/lbs/{param_lb_id}/private-networks/{param_private_network_id}/detach",
-            body={},
+            f"/lb/v1/zones/{param_zone}/lbs/{param_lb_id}/detach-private-network",
+            body=marshal_ZonedApiDetachPrivateNetworkRequest(
+                ZonedApiDetachPrivateNetworkRequest(
+                    lb_id=lb_id,
+                    private_network_id=private_network_id,
+                    zone=zone,
+                ),
+                self.client,
+            ),
         )
 
         self._throw_on_error(res)
diff --git a/scaleway-async/scaleway_async/lb/v1/marshalling.py b/scaleway-async/scaleway_async/lb/v1/marshalling.py
index 73c9ae049..b967e2955 100644
--- a/scaleway-async/scaleway_async/lb/v1/marshalling.py
+++ b/scaleway-async/scaleway_async/lb/v1/marshalling.py
@@ -87,6 +87,7 @@
     ZonedApiCreateLbRequest,
     ZonedApiCreateRouteRequest,
     ZonedApiCreateSubscriberRequest,
+    ZonedApiDetachPrivateNetworkRequest,
     ZonedApiMigrateLbRequest,
     ZonedApiRemoveBackendServersRequest,
     AclSpec,
@@ -2446,6 +2447,9 @@ def marshal_ZonedApiAttachPrivateNetworkRequest(
         ),
     )
 
+    if request.private_network_id is not None:
+        output["private_network_id"] = request.private_network_id
+
     if request.ipam_ids is not None:
         output["ipam_ids"] = request.ipam_ids
 
@@ -2735,6 +2739,18 @@ def marshal_ZonedApiCreateSubscriberRequest(
     return output
 
 
+def marshal_ZonedApiDetachPrivateNetworkRequest(
+    request: ZonedApiDetachPrivateNetworkRequest,
+    defaults: ProfileDefaults,
+) -> Dict[str, Any]:
+    output: Dict[str, Any] = {}
+
+    if request.private_network_id is not None:
+        output["private_network_id"] = request.private_network_id
+
+    return output
+
+
 def marshal_ZonedApiMigrateLbRequest(
     request: ZonedApiMigrateLbRequest,
     defaults: ProfileDefaults,
diff --git a/scaleway/scaleway/lb/v1/api.py b/scaleway/scaleway/lb/v1/api.py
index 038a93d88..636eb949a 100644
--- a/scaleway/scaleway/lb/v1/api.py
+++ b/scaleway/scaleway/lb/v1/api.py
@@ -107,6 +107,7 @@
     ZonedApiCreateLbRequest,
     ZonedApiCreateRouteRequest,
     ZonedApiCreateSubscriberRequest,
+    ZonedApiDetachPrivateNetworkRequest,
     ZonedApiMigrateLbRequest,
     ZonedApiRemoveBackendServersRequest,
     ZonedApiSetAclsRequest,
@@ -183,6 +184,7 @@
     marshal_ZonedApiCreateLbRequest,
     marshal_ZonedApiCreateRouteRequest,
     marshal_ZonedApiCreateSubscriberRequest,
+    marshal_ZonedApiDetachPrivateNetworkRequest,
     marshal_ZonedApiMigrateLbRequest,
     marshal_ZonedApiRemoveBackendServersRequest,
     marshal_ZonedApiSetAclsRequest,
@@ -3160,13 +3162,10 @@ def attach_private_network(
 
         param_zone = validate_path_param("zone", zone or self.client.default_zone)
         param_lb_id = validate_path_param("lb_id", lb_id)
-        param_private_network_id = validate_path_param(
-            "private_network_id", private_network_id
-        )
 
         res = self._request(
             "POST",
-            f"/lb/v1/zones/{param_zone}/lbs/{param_lb_id}/private-networks/{param_private_network_id}/attach",
+            f"/lb/v1/zones/{param_zone}/lbs/{param_lb_id}/attach-private-network",
             body=marshal_ZonedApiAttachPrivateNetworkRequest(
                 ZonedApiAttachPrivateNetworkRequest(
                     lb_id=lb_id,
@@ -3209,14 +3208,18 @@ def detach_private_network(
 
         param_zone = validate_path_param("zone", zone or self.client.default_zone)
         param_lb_id = validate_path_param("lb_id", lb_id)
-        param_private_network_id = validate_path_param(
-            "private_network_id", private_network_id
-        )
 
         res = self._request(
             "POST",
-            f"/lb/v1/zones/{param_zone}/lbs/{param_lb_id}/private-networks/{param_private_network_id}/detach",
-            body={},
+            f"/lb/v1/zones/{param_zone}/lbs/{param_lb_id}/detach-private-network",
+            body=marshal_ZonedApiDetachPrivateNetworkRequest(
+                ZonedApiDetachPrivateNetworkRequest(
+                    lb_id=lb_id,
+                    private_network_id=private_network_id,
+                    zone=zone,
+                ),
+                self.client,
+            ),
         )
 
         self._throw_on_error(res)
diff --git a/scaleway/scaleway/lb/v1/marshalling.py b/scaleway/scaleway/lb/v1/marshalling.py
index 73c9ae049..b967e2955 100644
--- a/scaleway/scaleway/lb/v1/marshalling.py
+++ b/scaleway/scaleway/lb/v1/marshalling.py
@@ -87,6 +87,7 @@
     ZonedApiCreateLbRequest,
     ZonedApiCreateRouteRequest,
     ZonedApiCreateSubscriberRequest,
+    ZonedApiDetachPrivateNetworkRequest,
     ZonedApiMigrateLbRequest,
     ZonedApiRemoveBackendServersRequest,
     AclSpec,
@@ -2446,6 +2447,9 @@ def marshal_ZonedApiAttachPrivateNetworkRequest(
         ),
     )
 
+    if request.private_network_id is not None:
+        output["private_network_id"] = request.private_network_id
+
     if request.ipam_ids is not None:
         output["ipam_ids"] = request.ipam_ids
 
@@ -2735,6 +2739,18 @@ def marshal_ZonedApiCreateSubscriberRequest(
     return output
 
 
+def marshal_ZonedApiDetachPrivateNetworkRequest(
+    request: ZonedApiDetachPrivateNetworkRequest,
+    defaults: ProfileDefaults,
+) -> Dict[str, Any]:
+    output: Dict[str, Any] = {}
+
+    if request.private_network_id is not None:
+        output["private_network_id"] = request.private_network_id
+
+    return output
+
+
 def marshal_ZonedApiMigrateLbRequest(
     request: ZonedApiMigrateLbRequest,
     defaults: ProfileDefaults,