diff --git a/frontend/src/shared/types/api.ts b/frontend/src/shared/types/api.ts
index 43fa19d..2d9264f 100644
--- a/frontend/src/shared/types/api.ts
+++ b/frontend/src/shared/types/api.ts
@@ -34,6 +34,7 @@ export interface GraphNode {
   label: string
   status: string
   group_id: string
+  parent: string | null
 }
 
 export interface GraphEdge {