diff --git a/index.d.ts b/index.d.ts
index b1e9f44..aecba49 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -278,6 +278,8 @@ declare global {
                 method?: string
                 headers?: { [key: string]: string }
                 body?: string
+                // timeout in seconds
+                timeout?: number
             }
         ): {
             status: number