diff --git a/src/shared/WebviewMessage.ts b/src/shared/WebviewMessage.ts
index e2df805340..9dfbc1fc30 100644
--- a/src/shared/WebviewMessage.ts
+++ b/src/shared/WebviewMessage.ts
@@ -45,6 +45,7 @@ export interface WebviewMessage {
 		| "alwaysAllowExecute"
 		| "alwaysAllowFollowupQuestions"
 		| "alwaysAllowUpdateTodoList"
+		| "allowAttemptCompletion"
 		| "followupAutoApproveTimeoutMs"
 		| "webviewDidLaunch"
 		| "newTask"