diff --git a/src/types/actions/block-action.ts b/src/types/actions/block-action.ts
index 402a813d6..8c1d2b581 100644
--- a/src/types/actions/block-action.ts
+++ b/src/types/actions/block-action.ts
@@ -44,7 +44,7 @@ export interface BasicElementAction<T extends string = string> {
  * An action from a button element
  */
 export interface ButtonAction extends BasicElementAction<'button'> {
-  value: string;
+  value?: string;
   text: PlainTextElement;
   url?: string;
   confirm?: Confirmation;