diff --git a/CHANGES.rst b/CHANGES.rst
index 11ac60a..ce87fe5 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -2,6 +2,12 @@ Changelog of threedi-schema
 ===================================================
 
 
+0.226.7 (unreleased)
+--------------------
+
+- Nothing changed yet.
+
+
 0.226.6 (2024-10-03)
 --------------------
 
diff --git a/threedi_schema/__init__.py b/threedi_schema/__init__.py
index abc2e97..12b9cc5 100644
--- a/threedi_schema/__init__.py
+++ b/threedi_schema/__init__.py
@@ -2,5 +2,5 @@
 from .domain import constants, custom_types, models  # NOQA
 
 # fmt: off
-__version__ = '0.226.6'
+__version__ = '0.226.7.dev0'
 # fmt: on