diff --git a/CHANGES.md b/CHANGES.md
index 685bea5..1671191 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,6 +1,12 @@
 # Changelog of clean-python
 
 
+0.6.9 (unreleased)
+------------------
+
+- Nothing changed yet.
+
+
 0.6.8 (2023-10-10)
 ------------------
 
diff --git a/clean_python/__init__.py b/clean_python/__init__.py
index 200a3f1..140b641 100644
--- a/clean_python/__init__.py
+++ b/clean_python/__init__.py
@@ -3,5 +3,5 @@
 from .base import *  # NOQA
 
 # fmt: off
-__version__ = '0.6.8'
+__version__ = '0.6.9.dev0'
 # fmt: on