diff --git a/CHANGELOG.md b/CHANGELOG.md
index 98ee02e4c..938e39cc6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,7 @@
 ## Unreleased
 
 - macOS: add node bridge heartbeat pings to detect half-open sockets and reconnect cleanly. (#572) — thanks @ngutman
+- Node bridge: harden keepalive + heartbeat handling (TCP keepalive, better disconnects, and keepalive config tests). (#577) — thanks @steipete
 - CLI: add `sandbox list` and `sandbox recreate` commands for managing Docker sandbox containers after image/config updates. (#563) — thanks @pasogott
 - Providers: add Microsoft Teams provider with polling, attachments, and CLI send support. (#404) — thanks @onutc
 - Commands: accept /models as an alias for /model.