diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index a4f818c1..32ac10fe 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -2,6 +2,11 @@
 CHANGELOG
 *********
 
+`v2.2.3`_ (2023-04-14)
+======================
+* Add support for Python 3.12
+* Detach content iteration methods from ModelVisitor
+
 `v2.2.2`_ (2023-03-05)
 ======================
 * Fix mixed content extension with empty content (issue #337)
@@ -610,3 +615,4 @@ v0.9.6 (2017-05-05)
 .. _v2.2.0: https://github.com/brunato/xmlschema/compare/v2.1.1...v2.2.0
 .. _v2.2.1: https://github.com/brunato/xmlschema/compare/v2.2.0...v2.2.1
 .. _v2.2.2: https://github.com/brunato/xmlschema/compare/v2.2.1...v2.2.2
+.. _v2.2.3: https://github.com/brunato/xmlschema/compare/v2.2.2...v2.2.3
diff --git a/doc/conf.py b/doc/conf.py
index 8137c0a7..b0dc1bcb 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -81,7 +81,7 @@
 # The short X.Y version.
 version = '2.2'
 # The full version, including alpha/beta/rc tags.
-release = '2.2.2'
+release = '2.2.3'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
diff --git a/publiccode.yml b/publiccode.yml
index 1b841e8f..c9ebbdcb 100644
--- a/publiccode.yml
+++ b/publiccode.yml
@@ -6,8 +6,8 @@ publiccodeYmlVersion: '0.2'
 name: xmlschema
 url: 'https://github.com/sissaschool/xmlschema'
 landingURL: 'https://github.com/sissaschool/xmlschema'
-releaseDate: '2023-03-05'
-softwareVersion: v2.2.2
+releaseDate: '2023-04-14'
+softwareVersion: v2.2.3
 developmentStatus: stable
 platforms:
   - linux
diff --git a/setup.py b/setup.py
index e73faea1..106406bc 100755
--- a/setup.py
+++ b/setup.py
@@ -18,7 +18,7 @@
 
 setup(
     name='xmlschema',
-    version='2.2.2',
+    version='2.2.3',
     packages=find_packages(include=['xmlschema*']),
     package_data={
         'xmlschema': ['py.typed', 'locale/**/*.mo', 'locale/**/*.po', 'schemas/*/*.xsd'],
@@ -62,6 +62,7 @@
         'Programming Language :: Python :: 3.9',
         'Programming Language :: Python :: 3.10',
         'Programming Language :: Python :: 3.11',
+        'Programming Language :: Python :: 3.12',
         'Programming Language :: Python :: Implementation :: CPython',
         'Programming Language :: Python :: Implementation :: PyPy',
         'Topic :: Software Development :: Libraries',
diff --git a/xmlschema/__init__.py b/xmlschema/__init__.py
index 9dec9c8b..02410d19 100644
--- a/xmlschema/__init__.py
+++ b/xmlschema/__init__.py
@@ -31,7 +31,7 @@
     XsdComponent, XsdType, XsdElement, XsdAttribute
 )
 
-__version__ = '2.2.2'
+__version__ = '2.2.3'
 __author__ = "Davide Brunato"
 __contact__ = "brunato@sissa.it"
 __copyright__ = "Copyright 2016-2023, SISSA"