diff --git a/types/index.d.ts b/types/index.d.ts
index 254382c..f105ef4 100644
--- a/types/index.d.ts
+++ b/types/index.d.ts
@@ -50,6 +50,8 @@ declare class HCaptcha extends React.Component<HCaptchaProps, HCaptchaState> {
   getResponse(): string;
   setData(data: object): void;
   isReady(): boolean;
+  execute(opts: { async: true, rqdata?: string }): Promise<ExecuteResponse>;
+  execute(opts?: { async: false, rqdata?: string }): void;
   execute(opts?: { async?: boolean, rqdata?: string }): Promise<ExecuteResponse> | void;
 }