diff --git a/types/topojson/index.d.ts b/types/topojson/index.d.ts
index 68efb8ee9c..67f71310d0 100644
--- a/types/topojson/index.d.ts
+++ b/types/topojson/index.d.ts
@@ -1,6 +1,7 @@
 // Type definitions for topojson 3.0
 // Project: https://github.com/topojson/topojson
 // Definitions by: Ricardo Mello <https://github.com/ricardo-mello>
+//                 Zhutian Chen  <https://github.com/chenzhutian>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 
 export function bbox(topology: any): any;