diff --git a/CHANGELOG.md b/CHANGELOG.md
index da9e132..dcf25c2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,7 +4,7 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/) (+ the Migration Guide),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [Unreleased]
+## [0.28.0] - 2023-12-19
 
 ### Changed
 
diff --git a/pyproject.toml b/pyproject.toml
index 78742e9..29f4ea1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "tpcp"
-version = "0.27.0"
+version = "0.28.0"
 description = "Pipeline and Dataset helpers for complex algorithm evaluation."
 authors = [
     "Arne Küderle <arne.kuederle@fau.de>",
diff --git a/tpcp/__init__.py b/tpcp/__init__.py
index ae3ba9b..174af0f 100644
--- a/tpcp/__init__.py
+++ b/tpcp/__init__.py
@@ -23,7 +23,7 @@
 )
 from tpcp._pipeline import OptimizablePipeline, Pipeline
 
-__version__ = "0.27.0"
+__version__ = "0.28.0"
 
 
 __all__ = [