diff --git a/types/react-json-tree/index.d.ts b/types/react-json-tree/index.d.ts
index d0ab7cab62..600de66fb8 100644
--- a/types/react-json-tree/index.d.ts
+++ b/types/react-json-tree/index.d.ts
@@ -1,6 +1,7 @@
-// Type definitions for react-json-tree v0.6.5
+// Type definitions for react-json-tree v0.6.6
 // Project: https://github.com/alexkuz/react-json-tree/
 // Definitions by: Grant Nestor <https://github.com/gnestor>
+//                 Zain Afzal <https://github.com/zainafzal08>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 // TypeScript Version: 2.8
 
@@ -18,7 +19,7 @@ export interface JSONTreeProps extends Props<JSONTreeComponent> {
     sortObjectKeys?: Function | boolean;
     shouldExpandNode?: (keyPath: (string | number)[], data: [any] | {}, level: number) => boolean;
     getItemString?: (type: string, data: [any] | {}, itemType: string, itemString: string) => JSX.Element;
-    labelRenderer?: (raw: [string, string]) => JSX.Element;
+    labelRenderer?: (keyPath: string[], nodeType: string, expanded: boolean, expandable: boolean) => JSX.Element;
     valueRenderer?: (displayValue: string|number, rawValue?: string|number|boolean|null, ...keyPath: (string|number)[]) => JSX.Element;
     postprocessValue?: (raw: string) => JSX.Element;
     isCustomNode?: () => boolean;