diff --git a/CHANGES.rst b/CHANGES.rst
index c8082fe..668479e 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -2,7 +2,7 @@ Changelog of fews-3di
 ===================================================
 
 
-3.4.2 (unreleased)
+3.4.2 (2024-02-27)
 ------------------
 
 - Modernised the internal project setup (see ``DEVELOPMENT.rst``).
diff --git a/pyproject.toml b/pyproject.toml
index ba0a070..6d52efb 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -6,7 +6,7 @@ requires = ["setuptools>=69"]
 [project]
 name = "fews-3di"
 requires-python = ">=3.8"
-version = "3.4.2.dev0"
+version = "3.4.2"
 dependencies = [
   "netCDF4",
   "pandas",