diff --git a/airflow/www/static/js/types/api-generated.ts b/airflow/www/static/js/types/api-generated.ts
index 4d08be848d45a..4719ed970bf88 100644
--- a/airflow/www/static/js/types/api-generated.ts
+++ b/airflow/www/static/js/types/api-generated.ts
@@ -1156,7 +1156,7 @@ export interface components {
       timestamp?: string;
       description?: string | null;
       notification_sent?: boolean;
-    };
+    } | null;
     Trigger: {
       id?: number;
       classpath?: string;