diff --git a/apis/management.cattle.io/v3/rke_types.go b/apis/management.cattle.io/v3/rke_types.go
index 44c249dc..0ade54cc 100644
--- a/apis/management.cattle.io/v3/rke_types.go
+++ b/apis/management.cattle.io/v3/rke_types.go
@@ -180,7 +180,7 @@ type ETCDService struct {
 	// Etcd Recurring snapshot Service
 	Snapshot *bool `yaml:"snapshot" json:"snapshot,omitempty" norman:"default=true"`
 	// Etcd snapshot Retention period
-	Retention string `yaml:"retention" json:"retention,omitempty" norman:"default=3d"`
+	Retention string `yaml:"retention" json:"retention,omitempty" norman:"default=72h"`
 	// Etcd snapshot Creation period
 	Creation string `yaml:"creation" json:"creation,omitempty" norman:"default=12h"`
 }