diff --git a/CHANGELOG.md b/CHANGELOG.md
index d9a16692b..1d94f6a70 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -19,6 +19,7 @@
 - macOS: treat location permission as always-only to avoid iOS-only enums. (#165) — thanks @Nachx639
 - macOS: make generated gateway protocol models `Sendable` for Swift 6 strict concurrency. (#195) — thanks @andranik-sahakyan
 - WhatsApp: suppress typing indicator during heartbeat background tasks. (#190) — thanks @mcinteerj
+- WhatsApp: mark offline history sync messages as read without auto-reply. (#193) — thanks @mcinteerj
 - Discord: avoid duplicate replies when a provider emits late streaming `text_end` events (OpenAI/GPT).
 - Env: load global `$CLAWDBOT_STATE_DIR/.env` (`~/.clawdbot/.env`) as a fallback after CWD `.env`.
 - Env: optional login-shell env fallback (opt-in; imports expected keys without overriding existing env).