diff --git a/src/addons/TextArea/TextArea.d.ts b/src/addons/TextArea/TextArea.d.ts
index 09e05d352a..4c0b704627 100644
--- a/src/addons/TextArea/TextArea.d.ts
+++ b/src/addons/TextArea/TextArea.d.ts
@@ -29,7 +29,7 @@ export interface StrictTextAreaProps {
   rows?: number | string
 
   /** The value of the textarea. */
-  value?: number | string
+  value: string
 }
 
 declare const TextArea: ForwardRefComponent<TextAreaProps, HTMLTextAreaElement>