diff --git a/ocp_resources/multi_namespace_virtual_machine_storage_migration_plan.py b/ocp_resources/multi_namespace_virtual_machine_storage_migration_plan.py
index daf2c14842..b9bcce7d15 100644
--- a/ocp_resources/multi_namespace_virtual_machine_storage_migration_plan.py
+++ b/ocp_resources/multi_namespace_virtual_machine_storage_migration_plan.py
@@ -17,16 +17,25 @@ class MultiNamespaceVirtualMachineStorageMigrationPlan(NamespacedResource):
     def __init__(
         self,
         namespaces: list[Any] | None = None,
+        retention_policy: str | None = None,
         **kwargs: Any,
     ) -> None:
         r"""
         Args:
-            namespaces (list[Any]): The virtual machines to migrate.
+            namespaces (list[Any]): The virtual machines to migrate per namespace.
+
+            retention_policy (str): RetentionPolicy indicates whether to keep or delete the source
+              DataVolume/PVC after each VM migration completes in each created
+              namespace plan. When set to "deleteSource", every created
+              VirtualMachineStorageMigrationPlan will have retentionPolicy set
+              to deleteSource. When "keepSource" or unset, child plans keep
+              their per-namespace spec or default to keepSource.
 
         """
         super().__init__(**kwargs)
 
         self.namespaces = namespaces
+        self.retention_policy = retention_policy
 
     def to_dict(self) -> None:
 
@@ -41,4 +50,7 @@ def to_dict(self) -> None:
 
             _spec["namespaces"] = self.namespaces
 
+            if self.retention_policy is not None:
+                _spec["retentionPolicy"] = self.retention_policy
+
     # End of generated code
diff --git a/ocp_resources/virtual_machine_storage_migration_plan.py b/ocp_resources/virtual_machine_storage_migration_plan.py
index e326e3d20d..11c928b024 100644
--- a/ocp_resources/virtual_machine_storage_migration_plan.py
+++ b/ocp_resources/virtual_machine_storage_migration_plan.py
@@ -16,16 +16,24 @@ class VirtualMachineStorageMigrationPlan(NamespacedResource):
 
     def __init__(
         self,
+        retention_policy: str | None = None,
         virtual_machines: list[Any] | None = None,
         **kwargs: Any,
     ) -> None:
         r"""
         Args:
+            retention_policy (str): RetentionPolicy indicates whether to keep or delete the source
+              DataVolume/PVC after each VM migration completes. When
+              "keepSource" (default), the source is preserved. When
+              "deleteSource", the source DataVolume is deleted if it exists,
+              otherwise the source PVC is deleted.
+
             virtual_machines (list[Any]): The virtual machines to migrate.
 
         """
         super().__init__(**kwargs)
 
+        self.retention_policy = retention_policy
         self.virtual_machines = virtual_machines
 
     def to_dict(self) -> None:
@@ -41,4 +49,7 @@ def to_dict(self) -> None:
 
             _spec["virtualMachines"] = self.virtual_machines
 
+            if self.retention_policy is not None:
+                _spec["retentionPolicy"] = self.retention_policy
+
     # End of generated code