diff --git a/CHANGES b/CHANGES
index ab3d9311d..3f1d34ca0 100644
--- a/CHANGES
+++ b/CHANGES
@@ -22,10 +22,16 @@ $ pip install --user --upgrade --pre libtmux
 
 ### Development
 
+- Project and package management: poetry to uv (#547)
+
+  [uv] is the new package and project manager for the project, replacing Poetry.
+
 - Code quality: Use f-strings in more places (#540)
 
   via [ruff 0.4.2](https://github.com/astral-sh/ruff/blob/v0.4.2/CHANGELOG.md).
 
+[uv]: https://github.com/astral-sh/uv
+
 ## libtmux 0.37.0 (04-21-2024)
 
 _Maintenance only, no bug fixes or new features_