diff --git a/CHANGELOG.md b/CHANGELOG.md
index 49365b6..b05edea 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Changed
+
+- Updated uv from 0.9.17 to 0.9.21. ([#486](https://github.com/heroku/buildpacks-python/pull/486))
+
 ## [3.0.1] - 2025-12-10
 
 ### Changed
diff --git a/requirements/uv.txt b/requirements/uv.txt
index 2573d52..f258573 100644
--- a/requirements/uv.txt
+++ b/requirements/uv.txt
@@ -1 +1 @@
-uv==0.9.17
+uv==0.9.21