diff --git a/CHANGES.rst b/CHANGES.rst
index 6a00840..d03d76f 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -3,7 +3,7 @@ Changelog of threedi-schema
 
 
 
-0.228.1 (unreleased)
+0.228.1 (2024-11-26)
 --------------------
 
 - Add `progress_func` argument to schema.upgrade
diff --git a/threedi_schema/__init__.py b/threedi_schema/__init__.py
index 95c78d5..6887059 100644
--- a/threedi_schema/__init__.py
+++ b/threedi_schema/__init__.py
@@ -2,6 +2,6 @@
 from .domain import constants, custom_types, models  # NOQA
 
 # fmt: off
-__version__ = '0.228.1.dev0'
+__version__ = '0.228.1'
 
 # fmt: on