diff --git a/src/endpoints/forms.tsp b/src/endpoints/forms.tsp
index 36752da..3295450 100644
--- a/src/endpoints/forms.tsp
+++ b/src/endpoints/forms.tsp
@@ -116,6 +116,7 @@ namespace Forms {
         default_title?: string;
 
         visibility?: Visibility;
+        answer_visibility?: Visibility;
       },
     ): {
       @statusCode statusCode: 200;