diff --git a/CHANGELOG.md b/CHANGELOG.md
index c10bd4a..533699c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,7 +8,7 @@ and this project adheres to
 [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
 
-## [Unreleased]
+## [v4.5.1] - 2023-10-25
 ### Security
 - Updated `urllib3` to 2.0.7 due to a security update.
 
diff --git a/pyproject.toml b/pyproject.toml
index bfe1c45..10101b5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "poetry.core.masonry.api"
 
 [tool.poetry]
 name = "doubt"
-version = "4.5.0"
+version = "4.5.1"
 description = "Bringing back uncertainty to machine learning."
 authors = ["Dan Saattrup Nielsen <saattrupdan@gmail.com>"]
 readme = "README.md"