diff --git a/api/catalog.go b/api/catalog.go
index 337772ec0..5964359eb 100644
--- a/api/catalog.go
+++ b/api/catalog.go
@@ -16,6 +16,8 @@ type CatalogService struct {
 	ServiceTags              []string
 	ServicePort              int
 	ServiceEnableTagOverride bool
+	CreateIndex		 uint64
+	ModifyIndex		 uint64
 }
 
 type CatalogNode struct {