diff --git a/HISTORY.md b/HISTORY.md
index 0e22b61f..c6380dd5 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -5,6 +5,12 @@ Notable changes to the codebase are documented here.
 Release names follow *[calendar versioning](https://calver.org/)*:
 full year, short month, short day (YYYY-M-D)
 
+## v2023.3 (work in progress, not released yet)
+
+Major changes include:
+
+- TBD
+
 ## v2023.2.3
 
 Major changes include:
diff --git a/btclib/__init__.py b/btclib/__init__.py
index 526b8e03..4cc7e2d4 100644
--- a/btclib/__init__.py
+++ b/btclib/__init__.py
@@ -11,7 +11,7 @@
 """__init__ module for the btclib package."""
 
 name = "btclib"
-__version__ = "2023.2.3"
+__version__ = "2023.3"
 __author__ = "The btclib developers"
 __author_email__ = "devs@btclib.org"
 __copyright__ = "Copyright (C) 2017-2023 The btclib developers"
diff --git a/docs/source/conf.py b/docs/source/conf.py
index 48c815d4..704f75bf 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -21,7 +21,7 @@
 project = "btclib"
 project_copyright = "2017-2023 The btclib developers"
 author = "The btclib developers"
-release = "2023.2.3"
+release = "2023.3"
 
 # -- General configuration ---------------------------------------------------
 # https://www.sphinx-doc.org/en/master/usage/configuration.html#general-configuration