diff --git a/CHANGELOG.md b/CHANGELOG.md
index aa5f9eb..7cc2991 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,10 +2,12 @@
 
 The `pycldf` package adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-## Unreleased
+
+## [1.40.4] - 2025-01-15
 
 - Fixed issue where validator reports invalid data sets as valid if a logger is supplied
 
+
 ## [1.40.3] - 2025-01-03
 
 - Fixed issue where the wrong value was assigned to ORM objects' `description` attribute.
diff --git a/docs/conf.py b/docs/conf.py
index 3baa58d..793a84a 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -22,7 +22,7 @@
 author = 'Robert Forkel'
 
 # The full version, including alpha/beta/rc tags
-release = '1.40.4.dev0'
+release = '1.40.4'
 
 
 # -- General configuration ---------------------------------------------------
diff --git a/setup.cfg b/setup.cfg
index 83162f2..c5bbc77 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,6 +1,6 @@
 [metadata]
 name = pycldf
-version = 1.40.4.dev0
+version = 1.40.4
 author = Robert Forkel
 author_email = robert_forkel@eva.mpg.de
 description = A python library to read and write CLDF datasets
diff --git a/src/pycldf/__init__.py b/src/pycldf/__init__.py
index 33fe7b1..9beea43 100644
--- a/src/pycldf/__init__.py
+++ b/src/pycldf/__init__.py
@@ -4,4 +4,4 @@
 from pycldf.terms import *
 
 # flake8: noqa
-__version__ = "1.40.4.dev0"
+__version__ = "1.40.4"