diff --git a/swarm/CHANGELOG.md b/swarm/CHANGELOG.md
index 692ce9d1bde..979f056a425 100644
--- a/swarm/CHANGELOG.md
+++ b/swarm/CHANGELOG.md
@@ -26,6 +26,12 @@
 - Remove deprecated symbols.
   See [PR 4737](https://github.com/libp2p/rust-libp2p/pull/4737).
 
+## 0.43.7
+
+- Deprecate `ConnectionHandlerEvent::Close`.
+  See [issue 3591](https://github.com/libp2p/rust-libp2p/issues/3591) for details.
+  See [PR 4714](https://github.com/libp2p/rust-libp2p/pull/4714).
+
 ## 0.43.6
 
 - Deprecate `libp2p::swarm::SwarmBuilder`.