diff --git a/CHANGELOG.md b/CHANGELOG.md
index b8ef034..1492873 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,12 @@
 
 # Changelog
 
+## 0.4.4 - (2022-02-22)
+
+**Other changes:**
+
+- Bump `biosphere` dependency to 0.2.2.
+
 ## 0.4.3 - (2021-01-29)
 
 **Other changes:**
diff --git a/Cargo.toml b/Cargo.toml
index f186792..7fa2b2b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -3,7 +3,7 @@ name = "changeforest"
 description = "Classifier based non-parametric change point detection."
 authors = ["Malte Londschien <malte@londschien.ch>"]
 repository = "https://github.com/mlondschien/changeforest/"
-version = "0.4.3"
+version = "0.4.4"
 edition = "2021"
 readme = "README.md"
 license = "BSD-3-Clause"
@@ -15,7 +15,7 @@ name = "changeforest"
 [dependencies]
 ndarray = "0.15"
 rand = "0.8"
-biosphere = "0.2.1"
+biosphere = "0.2.2"
 
 [dev-dependencies]
 rstest = "0.12"
diff --git a/changeforest-py/Cargo.toml b/changeforest-py/Cargo.toml
index da735c8..66ccf7c 100644
--- a/changeforest-py/Cargo.toml
+++ b/changeforest-py/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "changeforest_py"
-version = "0.4.3"
+version = "0.4.4"
 edition = "2021"
 
 [lib]
diff --git a/changeforest-py/pyproject.toml b/changeforest-py/pyproject.toml
index c746367..df73db1 100644
--- a/changeforest-py/pyproject.toml
+++ b/changeforest-py/pyproject.toml
@@ -2,7 +2,7 @@
 name = "changeforest"
 description = "Classifier based non-parametric change point detection"
 readme = "README.md"
-version = "0.4.3"
+version = "0.4.4"
 requires-python = ">=3.7"
 author = "Malte Londschien <malte@londschien.ch>"
 urls = {homepage = "https://github.com/mlondschien/changeforest/"}
diff --git a/changeforest-r/DESCRIPTION b/changeforest-r/DESCRIPTION
index cc3931c..2f02ace 100644
--- a/changeforest-r/DESCRIPTION
+++ b/changeforest-r/DESCRIPTION
@@ -1,7 +1,7 @@
 Package: changeforest
 Type: Package
 Title: Classifier Based Non-Parametric Change Point Detection
-Version: 0.4.3
+Version: 0.4.4
 Author: Malte Londschien
 Maintainer: Malte Londschien <malte@londschien.ch>
 Description: Perform classifier based multivariate, non-parametric change point detection.
diff --git a/changeforest-r/src/rust/Cargo.toml b/changeforest-r/src/rust/Cargo.toml
index 8f436de..a27538e 100644
--- a/changeforest-r/src/rust/Cargo.toml
+++ b/changeforest-r/src/rust/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = 'changeforestr'
-version = '0.4.3'
+version = '0.4.4'
 edition = '2021'
 
 [lib]