diff --git a/.changelog/_unreleased.toml b/.changelog/0.40.4.toml
similarity index 84%
rename from .changelog/_unreleased.toml
rename to .changelog/0.40.4.toml
index cee1e924..45408352 100644
--- a/.changelog/_unreleased.toml
+++ b/.changelog/0.40.4.toml
@@ -1,3 +1,5 @@
+release-date = "2024-10-04"
+
 [[entries]]
 id = "d8ada304-d3fe-43f0-b4fa-7d655949cdbc"
 type = "improvement"
diff --git a/kraken-build/pyproject.toml b/kraken-build/pyproject.toml
index ca079c69..c68d85ad 100644
--- a/kraken-build/pyproject.toml
+++ b/kraken-build/pyproject.toml
@@ -19,7 +19,7 @@ packages = [
   {include = "kraken/std", from = "src"},
 ]
 readme = "README.md"
-version = "0.40.3"
+version = "0.40.4"
 
 [tool.poetry.urls]
 "Bug Tracker" = "https://github.com/kraken-build/kraken-build/issues"
diff --git a/kraken-build/src/kraken/common/__init__.py b/kraken-build/src/kraken/common/__init__.py
index 946b0a4a..26c81eab 100644
--- a/kraken-build/src/kraken/common/__init__.py
+++ b/kraken-build/src/kraken/common/__init__.py
@@ -1,4 +1,4 @@
-__version__ = "0.40.3"
+__version__ = "0.40.4"
 
 from . import path
 from ._argparse import propagate_argparse_formatter_to_subparser
diff --git a/kraken-build/src/kraken/core/__init__.py b/kraken-build/src/kraken/core/__init__.py
index c81df048..835a1c17 100644
--- a/kraken-build/src/kraken/core/__init__.py
+++ b/kraken-build/src/kraken/core/__init__.py
@@ -1,4 +1,4 @@
-__version__ = "0.40.3"
+__version__ = "0.40.4"
 
 from kraken.core.address import Address
 from kraken.core.system.context import Context, ContextEvent
diff --git a/kraken-build/src/kraken/std/__init__.py b/kraken-build/src/kraken/std/__init__.py
index 08d7b23d..008bea4f 100644
--- a/kraken-build/src/kraken/std/__init__.py
+++ b/kraken-build/src/kraken/std/__init__.py
@@ -1 +1 @@
-__version__ = "0.40.3"
+__version__ = "0.40.4"
diff --git a/kraken-wrapper/pyproject.toml b/kraken-wrapper/pyproject.toml
index e6851c55..97ef97b2 100644
--- a/kraken-wrapper/pyproject.toml
+++ b/kraken-wrapper/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "poetry.core.masonry.api"
 
 [tool.poetry]
 name = "kraken-wrapper"
-version = "0.40.3"
+version = "0.40.4"
 description = ""
 authors = ["Niklas Rosenstein <rosensteinniklas@gmail.com>"]
 license = "MIT"
@@ -22,7 +22,7 @@ Homepage = "https://kraken-build.github.io/kraken-build/"
 Repository = "https://github.com/kraken-build/kraken-build/"
 
 [tool.poetry.dependencies]
-kraken-build = "0.40.3"
+kraken-build = "0.40.4"
 loguru = "^0.7.2"
 packaging = "^23.1"
 python = ">=3.10"
diff --git a/kraken-wrapper/src/kraken/wrapper/__init__.py b/kraken-wrapper/src/kraken/wrapper/__init__.py
index 194fd2da..05b75c4d 100644
--- a/kraken-wrapper/src/kraken/wrapper/__init__.py
+++ b/kraken-wrapper/src/kraken/wrapper/__init__.py
@@ -4,4 +4,4 @@
     "DEFAULT_CONFIG_PATH",
     "AuthModel",
 ]
-__version__ = "0.40.3"
+__version__ = "0.40.4"