diff --git a/types/twix/index.d.ts b/types/twix/index.d.ts
index 8ca402e8e6..5b37054eb9 100644
--- a/types/twix/index.d.ts
+++ b/types/twix/index.d.ts
@@ -80,6 +80,7 @@ export interface Twix {
 
     asDuration(period: string): Duration;
     isValid(): boolean;
+    toDate(): Date;
 }
 
 export interface TwixStatic {