diff --git a/apis/management.cattle.io/v3/cluster_types.go b/apis/management.cattle.io/v3/cluster_types.go
index cac09296..1a6607bb 100644
--- a/apis/management.cattle.io/v3/cluster_types.go
+++ b/apis/management.cattle.io/v3/cluster_types.go
@@ -71,6 +71,7 @@ const (
 	ClusterDriverLocal    = "local"
 	ClusterDriverRKE      = "rancherKubernetesEngine"
 	ClusterDriverK3s      = "k3s"
+	ClusterDriverK3os     = "k3os"
 )
 
 // +genclient