diff --git a/index.d.ts b/index.d.ts
index ce5ec94..c1d266c 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -17,3 +17,4 @@ export interface KeypairResults {
  * @param opts
  */
 export function keypair(opts?: KeypairOptions): KeypairResults;
+export default keypair;