diff --git a/.bumpversion.cfg b/.bumpversion.cfg
index 6e46e66..2579f1c 100644
--- a/.bumpversion.cfg
+++ b/.bumpversion.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 0.4.0
+current_version = 0.4.1
 tag = True
 commit = True
 
diff --git a/CHANGELOG.md b/CHANGELOG.md
index ed6706c..4a793b5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,12 @@ and this project adheres to [Semantic Versioning][].
 [keep a changelog]: https://keepachangelog.com/en/1.0.0/
 [semantic versioning]: https://semver.org/spec/v2.0.0.html
 
+## 0.4.1 (2023-10-08)
+
+-   Fix KMeans. All previous versions had a bug with KMeans and ARI/NMI metrics are not reliable with this clustering. ([#115][])
+
+[#115]: https://github.com/YosefLab/scib-metrics/pull/115
+
 ## 0.4.0 (2023-09-19)
 
 -   Drop Python 3.8 ([#107][])
diff --git a/pyproject.toml b/pyproject.toml
index 68a8713..ed48fdf 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -5,7 +5,7 @@ requires = ["hatchling"]
 
 [project]
 name = "scib-metrics"
-version = "0.4.0"
+version = "0.4.1"
 description = "Accelerated and Python-only scIB metrics"
 readme = "README.md"
 requires-python = ">=3.9"