diff --git a/CHANGELOG.md b/CHANGELOG.md
index ed34b7cb..92fdfd57 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -42,6 +42,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
   - `PyNumberProtocol::__complex__` and `PyNumberProtocol::__round__`
   - `PyAsyncProtocol::__aenter__` and `PyAsyncProtocol::__aexit__`
 - Deprecate `#[name = "..."]` attributes in favor of `#[pyo3(name = "...")]`. [#1567](https://github.com/PyO3/pyo3/pull/1567)
+- Improve compilation times for projects using PyO3 [#1604](https://github.com/PyO3/pyo3/pull/1604)
+
 
 ### Removed
 - Remove deprecated exception names `BaseException` etc. [#1426](https://github.com/PyO3/pyo3/pull/1426)