diff --git a/CHANGELOG.md b/CHANGELOG.md
index da15b33..588d72d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [3.0.0] - 2025-12-05
+
 ### Changed
 
 - Updated the default Python version from 3.13 to 3.14. ([#478](https://github.com/heroku/buildpacks-python/pull/478))
@@ -521,7 +523,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - Initial implementation. ([#3](https://github.com/heroku/buildpacks-python/pull/3))
 
-[unreleased]: https://github.com/heroku/buildpacks-python/compare/v2.8.1...HEAD
+[unreleased]: https://github.com/heroku/buildpacks-python/compare/v3.0.0...HEAD
+[3.0.0]: https://github.com/heroku/buildpacks-python/compare/v2.8.1...v3.0.0
 [2.8.1]: https://github.com/heroku/buildpacks-python/compare/v2.8.0...v2.8.1
 [2.8.0]: https://github.com/heroku/buildpacks-python/compare/v2.7.4...v2.8.0
 [2.7.4]: https://github.com/heroku/buildpacks-python/compare/v2.7.3...v2.7.4
diff --git a/buildpack.toml b/buildpack.toml
index 328fedf..714b912 100644
--- a/buildpack.toml
+++ b/buildpack.toml
@@ -2,7 +2,7 @@ api = "0.10"
 
 [buildpack]
 id = "heroku/python"
-version = "2.8.1"
+version = "3.0.0"
 name = "Heroku Python"
 homepage = "https://github.com/heroku/buildpacks-python"
 description = "Heroku's buildpack for Python applications."