diff --git a/CHANGES.rst b/CHANGES.rst
index 59e48c8..2fcac0e 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,3 +1,9 @@
+2.0.1 (unreleased)
+------------------
+
+- Nothing changed yet.
+
+
 2.0.0 (2024-01-10)
 ------------------
 
diff --git a/setup.cfg b/setup.cfg
index 81d7bd8..c9c50a0 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -3,7 +3,7 @@ exclude = venv
 
 [metadata]
 name = metaset
-version = 2.0.0
+version = 2.0.1.dev0
 author = Polyconseil
 author_email = opensource+metaset@polyconseil.fr
 description = A container for dicts of sets - alternative to dictset