diff --git a/src/components/page/info-box-item.json b/src/components/page/info-box-item.json
index 60d5233..f5d9297 100644
--- a/src/components/page/info-box-item.json
+++ b/src/components/page/info-box-item.json
@@ -35,6 +35,7 @@
     },
     "detailsSummary": {
       "type": "component",
+      "required": false,
       "repeatable": true,
       "component": "page.details-summary"
     }