diff --git a/CHANGES.rst b/CHANGES.rst
index 52050833..24a0e8e2 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -3,8 +3,8 @@
 Changelog
 =========
 
-2.3.1 (unpublished)
--------------------
+2.4.0 (2026-04-01)
+------------------
 Contributors to this version: Ludwig Lierhammer (:user:`ludwiglierhammer`), Jan Marius Willruth (:user:`JanWillruth`)
 
 New features and enhancements
diff --git a/cdm_reader_mapper/__init__.py b/cdm_reader_mapper/__init__.py
index 8e946e86..e44ab029 100755
--- a/cdm_reader_mapper/__init__.py
+++ b/cdm_reader_mapper/__init__.py
@@ -32,4 +32,4 @@
 
 __author__ = """Ludwig Lierhammer"""
 __email__ = "ludwiglierhammer@dwd.de"
-__version__ = "2.3.0"
+__version__ = "2.4.0"