diff --git a/CHANGELOG.md b/CHANGELOG.md
index 94cb21b5a..37feafd13 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -15,6 +15,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Use [`cibuildwheel`](https://github.com/pypa/cibuildwheel) to build wheels by [@XuehaiPan](https://github.com/XuehaiPan) in [#45](https://github.com/metaopt/TorchOpt/pull/45).
 - Use dynamic process number in CPU kernels by [@JieRen98](https://github.com/JieRen98) in [#42](https://github.com/metaopt/TorchOpt/pull/42).
 
+### Changed
+
+- Use correct Python Ctype for pybind11 function prototype [@XuehaiPan](https://github.com/XuehaiPan) in [#52](https://github.com/metaopt/TorchOpt/pull/52).
+
 ------
 
 ## [0.4.2] - 2022-07-26