diff --git a/src/index.d.ts b/index.d.ts
similarity index 99%
rename from src/index.d.ts
rename to index.d.ts
index 3a7c11d..e84b884 100644
--- a/src/index.d.ts
+++ b/index.d.ts
@@ -5,7 +5,7 @@ export interface DatePickerProps extends ViewProps {
   /**
    * The currently selected date.
    */
-  date?: Date
+  date: Date
 
   /**
    * The date picker locale.