diff --git a/src/types.ts b/src/types.ts
index a7b3ac63..f62a7ee5 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -55,7 +55,7 @@ export interface NavigateOptions<S = unknown> {
 }
 
 export interface Navigator {
-  (to: string, options?: Partial<NavigateOptions>): void;
+  (to: string | number, options?: Partial<NavigateOptions>): void;
   (delta: number): void;
 }