diff --git a/CHANGELOG/CHANGELOG-3.5.md b/CHANGELOG/CHANGELOG-3.5.md
index 117456b39..25df7c78e 100644
--- a/CHANGELOG/CHANGELOG-3.5.md
+++ b/CHANGELOG/CHANGELOG-3.5.md
@@ -16,6 +16,9 @@ Previous change logs can be found at [CHANGELOG-3.4](https://github.com/etcd-io/
 ### etcd grpc-proxy
 - Fix [Memberlist results not updated when proxy node down](https://github.com/etcd-io/etcd/pull/15907).
 
+### Package `clientv3`
+- Fix [Multiple endpoints with same prefix got mixed up](https://github.com/etcd-io/etcd/pull/15939)
+
 <hr>
 
 ## v3.5.9 (2023-05-11)