diff --git a/airflow_client/client/model/task_instance.py b/airflow_client/client/model/task_instance.py
index af8a30dd..e9fbb2ab 100644
--- a/airflow_client/client/model/task_instance.py
+++ b/airflow_client/client/model/task_instance.py
@@ -134,8 +134,8 @@ def openapi_types():
             'executor_config': (str,),  # noqa: E501
             'sla_miss': (SLAMiss,),  # noqa: E501
             'rendered_fields': ({str: (bool, date, datetime, dict, float, int, list, str, none_type)},),  # noqa: E501
-            'trigger': (Trigger,),  # noqa: E501
-            'triggerer_job': (Job,),  # noqa: E501
+            'trigger': (Trigger, none_type,),  # noqa: E501
+            'triggerer_job': (Job, none_type,),  # noqa: E501
             'note': (str, none_type,),  # noqa: E501
         }