diff --git a/CHANGELOG.md b/CHANGELOG.md
index d61be807..031c36e6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,7 +5,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 
-## [0.12.1]
+## [0.12.1] - 2022-12-14
 
 ### Changed
 - The `safe_run` method did unintentionally double-wrap the run method, if it already had a `make_action_safe` 
diff --git a/pyproject.toml b/pyproject.toml
index 1862cf40..84c33e64 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "tpcp"
-version = "0.12.0"
+version = "0.12.1"
 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 be59829d..67d6b2ce 100644
--- a/tpcp/__init__.py
+++ b/tpcp/__init__.py
@@ -23,7 +23,7 @@
 )
 from tpcp._pipeline import OptimizablePipeline, Pipeline
 
-__version__ = "0.12.0"
+__version__ = "0.12.1"
 
 
 __all__ = [