diff --git a/CHANGELOG.md b/CHANGELOG.md
index 17da1f56a..24da7812d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,8 @@
 
 ## [Unreleased]
 
+- Updated Poetry from 2.4.2 to 2.5.1. ([#2147](https://github.com/heroku/heroku-buildpack-python/pull/2147))
+- Updated uv from 0.12.9 to 0.12.21. ([#2147](https://github.com/heroku/heroku-buildpack-python/pull/2147))
 
 ## [v353] - 2026-10-01
 
diff --git a/requirements/poetry.txt b/requirements/poetry.txt
index 852bf3448..da6620335 100644
--- a/requirements/poetry.txt
+++ b/requirements/poetry.txt
@@ -1 +1 @@
-poetry==2.4.2
+poetry==2.5.1
diff --git a/requirements/uv.txt b/requirements/uv.txt
index 749310457..1c7e9f1d4 100644
--- a/requirements/uv.txt
+++ b/requirements/uv.txt
@@ -1 +1 @@
-uv==0.12.9
+uv==0.12.21
diff --git a/spec/hatchet/poetry_spec.rb b/spec/hatchet/poetry_spec.rb
index d68656855..c0bfdddaf 100644
--- a/spec/hatchet/poetry_spec.rb
+++ b/spec/hatchet/poetry_spec.rb
@@ -65,7 +65,6 @@
           remote:  '/app/.heroku/python/lib/python3.14/site-packages'\\]
           remote: 
           remote: Poetry \\(version #{POETRY_VERSION}\\)
-          remote: Skipping virtualenv creation, as specified in config file.
           remote: typing-extensions 4.15.0 Backported and Experimental Type Hints for Python ...
           remote: 
           remote: <module 'typing_extensions' from '/app/.heroku/python/lib/python3.14/site-packages/typing_extensions.py'>