diff --git a/CHANGELOG.md b/CHANGELOG.md
index a6e31b7..623f737 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,8 @@
 # Changelog
 
-## 0.12.3 - Unreleased
+## Unreleased
+
+## 0.12.3 - 2024-05-11
 
 - Bump MSRV (Minimum Supported Rust Version) from 1.56.0 to 1.57.0 [`#80`](https://github.com/rust-syndication/atom/pull/80)
 - Update `quick-xml` and `derive_builder` dependencies. [`#81`](https://github.com/rust-syndication/atom/pull/81)