diff --git a/types.go b/types.go
index 70a6194..9fca01f 100644
--- a/types.go
+++ b/types.go
@@ -1096,6 +1096,7 @@ type StatusGroup struct {
 
 // Site type.
 type Site struct {
+	ID                int          `json:"id,omitempty"`
 	Name              string       `json:"name,omitempty"`
 	Code              string       `json:"code,omitempty"`
 	URL               string       `json:"url,omitempty"`