diff --git a/openapi.yaml b/openapi.yaml
index 8974b9dd..d05c75f1 100644
--- a/openapi.yaml
+++ b/openapi.yaml
@@ -8187,7 +8187,6 @@ components:
           x-oaiTypeLabel: map
           nullable: true
       required:
-        - thread_id
         - assistant_id
     ListRunsResponse:
       type: object