diff --git a/.bumpversion.cfg b/.bumpversion.cfg
index 6efb56c..751bc1a 100644
--- a/.bumpversion.cfg
+++ b/.bumpversion.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 2.2.0
+current_version = 2.3.0b0
 tag = True
 commit = True
 message = Bump to v{new_version}
diff --git a/docs/_static/api.yaml b/docs/_static/api.yaml
index 8012f5a..e4bd7eb 100644
--- a/docs/_static/api.yaml
+++ b/docs/_static/api.yaml
@@ -2,7 +2,7 @@ openapi: 3.0.0
 info:
   title: 'H5Grove API'
   description: 'The API provided by h5grove example implementations.'
-  version: 2.2.0
+  version: 2.3.0b0
 
 servers:
   - url: http://{ip}:{port}/
diff --git a/h5grove/__init__.py b/h5grove/__init__.py
index e6195cb..317e4fc 100644
--- a/h5grove/__init__.py
+++ b/h5grove/__init__.py
@@ -1,4 +1,4 @@
 from .content import create_content
 from .encoders import encode
 
-version = "2.2.0"
+version = "2.3.0b0"