diff --git a/CHANGES.rst b/CHANGES.rst
index ad906cc..de16fde 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,6 +1,11 @@
 Changelog
 =========
 
+2.1.1 (2024-xx-xx)
+------------------
+
+- Nothing yet.
+
 2.1.0 (2024-04-19)
 ------------------
 
diff --git a/pyproject.toml b/pyproject.toml
index 130a8b9..8b19388 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "collective.elastic.ingest"
-version = "2.1.0"
+version = "2.1.1dev0"
 description = "Ingestion service queue runner between Plone RestAPI and ElasticSearch or OpenSearch."
 keywords = ["elasticsearch", "opensearch", "plone", "celery", "search", "indexer"]
 readme = "README.rst"