diff --git a/types/react-router-config/index.d.ts b/types/react-router-config/index.d.ts
index 0dc1544ca6..bf719c5760 100644
--- a/types/react-router-config/index.d.ts
+++ b/types/react-router-config/index.d.ts
@@ -15,6 +15,7 @@ export interface RouteConfigComponentProps<Params extends { [K in keyof Params]?
 }
 
 export interface RouteConfig {
+    key?: React.Key;
     location?: Location;
     component?: React.ComponentType<RouteConfigComponentProps<any>> | React.ComponentType;
     path?: string;