diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4ec080b6..271d4199 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -55,6 +55,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Fix FFI definitions `PyTypeObject`. `PyHeapTypeObject`, and `PyCFunctionObject` having incorrect members on PyPy 3.9. [#2428](https://github.com/PyO3/pyo3/pull/2428)
 - Fix FFI definition `PyGetSetDef` to have `*const c_char` for `doc` member (not `*mut c_char`). [#2439](https://github.com/PyO3/pyo3/pull/2439)
 - Fix `#[pyo3(from_py_with = "...")]` being ignored for 1-element tuple structs and transparent structs. [#2440](https://github.com/PyO3/pyo3/pull/2440)
+- Use `memoffset` for computing PyCell offsets [#2450](https://github.com/PyO3/pyo3/pull/2450)
 
 ## [0.16.5] - 2022-05-15