diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 1e25ee7..7107680 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -1,3 +1,9 @@
+2.0.1 (unreleased)
+------------------
+
+- Nothing changed yet.
+
+
 2.0.0 (2024-01-15)
 ------------------
 
diff --git a/setup.cfg b/setup.cfg
index 35de966..4bf1328 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,6 +1,6 @@
 [metadata]
 name = xlsx_streaming
-version = 2.0.0
+version = 2.0.1.dev0
 description = Export your data as an xlsx stream
 long_description = file: README.rst
 long_description_content_type = text/x-rst