diff --git a/.github/workflows/test-xmlschema.yml b/.github/workflows/test-xmlschema.yml
index b1c11fe1..d0245f40 100644
--- a/.github/workflows/test-xmlschema.yml
+++ b/.github/workflows/test-xmlschema.yml
@@ -14,7 +14,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        python-version: [3.8, 3.9, "3.10", 3.11, 3.12, "3.13.0-beta.3", "pypy-3.10"]
+        python-version: [3.8, 3.9, "3.10", 3.11, 3.12, "3.13.0-rc.1", "pypy-3.10"]
         exclude:
           - os: macos-latest
             python-version: 3.8
@@ -36,7 +36,7 @@ jobs:
           python -m pip install --upgrade pip
           pip install setuptools
       - name: Install optional dependencies
-        if: ${{ matrix.python-version != '3.13.0-beta.3' }}
+        if: ${{ matrix.python-version != '3.13.0-rc.1' }}
         run: pip install lxml jinja2
       - name: Test with unittest
         run: |
@@ -48,5 +48,5 @@ jobs:
           flake8 xmlschema --max-line-length=100 --statistics
       - name: Lint with mypy
         run: |
-          pip install mypy==1.11.0 elementpath==4.4.0 lxml-stubs
+          pip install mypy==1.11.2 elementpath==4.4.0 lxml-stubs
           mypy --show-error-codes --strict xmlschema
diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index a2e818c7..298b0f86 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -2,6 +2,11 @@
 CHANGELOG
 *********
 
+`v3.4.0`_ (2024-09-10)
+======================
+* Extended ModelVisitor to make it usable as an helper class for generating content
+  (issues #405 and #408)
+
 `v3.3.2`_ (2024-07-29)
 ======================
 * Fix UNC path tests (issues #405 and #408)
@@ -709,3 +714,4 @@ v0.9.6 (2017-05-05)
 .. _v3.3.0: https://github.com/brunato/xmlschema/compare/v3.2.1...v3.3.0
 .. _v3.3.1: https://github.com/brunato/xmlschema/compare/v3.3.0...v3.3.1
 .. _v3.3.2: https://github.com/brunato/xmlschema/compare/v3.3.1...v3.3.2
+.. _v3.4.0: https://github.com/brunato/xmlschema/compare/v3.3.2...v3.4.0
diff --git a/doc/conf.py b/doc/conf.py
index a3441fc7..09ba5524 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -79,9 +79,9 @@
 # built documents.
 #
 # The short X.Y version.
-version = '3.3'
+version = '3.4'
 # The full version, including alpha/beta/rc tags.
-release = '3.3.2'
+release = '3.4.0'
 
 # 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 804bfc52..cb608c8d 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: '2024-07-29'
-softwareVersion: v3.3.2
+releaseDate: '2024-09-10'
+softwareVersion: v3.4.0
 developmentStatus: stable
 platforms:
   - linux
@@ -50,7 +50,7 @@ description:
     shortDescription: XML Schema validator and data conversion library for Python
     longDescription: >
       The _xmlschema_ library is an implementation of [XML
-      Schema](http://www.w3.org/2001/XMLSchema) for Python (supports Python 3.7+).
+      Schema](http://www.w3.org/2001/XMLSchema) for Python (supports Python 3.8+).
 
 
       This library arises from the needs of a solid Python layer for processing
diff --git a/setup.py b/setup.py
index 41c99c7d..38ab7d83 100755
--- a/setup.py
+++ b/setup.py
@@ -18,7 +18,7 @@
 
 setup(
     name='xmlschema',
-    version='3.3.2',
+    version='3.4.0',
     packages=find_packages(include=['xmlschema*']),
     package_data={
         'xmlschema': ['py.typed', 'locale/**/*.mo', 'locale/**/*.po', 'schemas/*/*.xsd'],
diff --git a/tox.ini b/tox.ini
index 27facf46..54bb5de1 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,6 +1,6 @@
 [tox]
 min_version = 4.0
-envlist = flake8, py{38,39,310,311,312,313,py3}, ep44, docs,
+envlist = flake8, py{38,39,310,311,312,313,py3}, ep{44,45}, docs,
     mypy-py{38,39,310,311,312,py3}, coverage, pytest
 skip_missing_interpreters = true
 work_dir = {tox_root}/../.tox/xmlschema
@@ -28,6 +28,12 @@ deps =
     jinja2
     elementpath~=4.4
 
+[testenv:ep45]
+deps =
+    lxml
+    jinja2
+    elementpath~=4.5
+
 [testenv:docs]
 commands =
     make -C doc html SPHINXOPTS="-W -n"
@@ -49,7 +55,7 @@ commands =
 
 [testenv:mypy-py{38,39,310,311,312,py3}]
 deps =
-    mypy==1.11.0
+    mypy==1.11.2
     elementpath==4.4.0
     lxml-stubs
     jinja2
@@ -70,7 +76,7 @@ deps =
     elementpath>=4.4.0, <5.0.0
     lxml
     jinja2
-    mypy==1.11.0
+    mypy==1.11.2
     lxml-stubs
 commands =
     pytest tests -ra
diff --git a/xmlschema/__init__.py b/xmlschema/__init__.py
index 10f3e08f..44bfc05a 100644
--- a/xmlschema/__init__.py
+++ b/xmlschema/__init__.py
@@ -33,7 +33,7 @@
     XMLSchema, XMLSchema10, XMLSchema11, XsdComponent, XsdType, XsdElement, XsdAttribute
 )
 
-__version__ = '3.3.2'
+__version__ = '3.4.0'
 __author__ = "Davide Brunato"
 __contact__ = "brunato@sissa.it"
 __copyright__ = "Copyright 2016-2024, SISSA"