diff --git a/agent.chat.yaml b/agent.chat.yaml
index fbcb977..15ef981 100644
--- a/agent.chat.yaml
+++ b/agent.chat.yaml
@@ -86,7 +86,7 @@ history:
   anonymize: false
 
 access:
-  visibility: "public"
+  visibility: "private"
   rate_limits:
     requests_per_minute: 10
     requests_per_day: 100