diff --git a/types/vis/index.d.ts b/types/vis/index.d.ts
index 5b7cc718b2..8ae7de8263 100644
--- a/types/vis/index.d.ts
+++ b/types/vis/index.d.ts
@@ -79,6 +79,7 @@ export interface DataGroup {
   style?: string;
   subgroupOrder?: string | (() => void);
   title?: string;
+  nestedGroups?: number[];
 }
 
 export interface DataGroupOptions {