diff --git a/dev-docs/bidders/33across.md b/dev-docs/bidders/33across.md
index 9b02159de9..17d07de9f0 100644
--- a/dev-docs/bidders/33across.md
+++ b/dev-docs/bidders/33across.md
@@ -10,6 +10,7 @@ gdpr_supported: true
 getFloor: true
 schain_supported: true
 usp_supported: true
+userIds: all
 gvl_id: 58
 ---