diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7b2dfc3908..ea76c5a6d3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -109,7 +109,8 @@ END_UNRELEASED_TEMPLATE
 * (py_wheel) py_wheel always creates zip64-capable wheel zips
 * (providers) (experimental) {obj}`PyInfo.venv_symlinks` replaces
   `PyInfo.site_packages_symlinks`
-* (deps) Updating setuptools to patch CVE-2025-47273.
+* (deps) Updated setuptools to 78.1.1 to patch CVE-2025-47273. This effectively makes
+  Python 3.9 the minimum supported version for using `pip_parse`.
 
 {#1-5-0-fixed}
 ### Fixed