diff --git a/rumqttc/CHANGELOG.md b/rumqttc/CHANGELOG.md
index c8c8716a3..f1707c9bb 100644
--- a/rumqttc/CHANGELOG.md
+++ b/rumqttc/CHANGELOG.md
@@ -24,6 +24,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 * Made `DisconnectProperties` struct public.
 * Replace `Vec<Option<u16>>` with `FixedBitSet` for managing packet ids of released QoS 2 publishes and incoming QoS 2 publishes in `MqttState`.
 * Accept `native_tls::TlsConnector` as input for `Transport::tls_with_config`.
+* Enforce `Sync` for `AsyncReadWrite`
 
 ### Deprecated