diff --git a/CHANGELOG.md b/CHANGELOG.md
index 25e9a0a..4cf7bab 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,10 +10,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 * Updated [`futures`](https://github.com/rust-lang/futures-rs) from 0.3.26 to 0.3.27 ([#575])
 * Updated [`serde`](https://github.com/serde-rs/serde) from 1.0.152 to 1.0.156 ([#576])
+* Use edition 2021 ([#577])
 
 
 [#575]: https://github.com/vbrandl/hoc/pull/575
 [#576]: https://github.com/vbrandl/hoc/pull/576
+[#577]: https://github.com/vbrandl/hoc/pull/577
 
 
 ## [0.32.0] 2023-03-06