diff --git a/.github/workflows/test-xmlschema.yml b/.github/workflows/test-xmlschema.yml
index 1ef51b89..436e69e1 100644
--- a/.github/workflows/test-xmlschema.yml
+++ b/.github/workflows/test-xmlschema.yml
@@ -35,9 +35,16 @@ jobs:
         run: |
           python -m pip install --upgrade pip
           pip install setuptools
-      - name: Install optional dependencies
+      - name: Build and install lxml for Python 3.14-alpha
+        if: ${{ matrix.os == 'ubuntu-latest' && matrix.python-version == '3.14.0-alpha.1' }}
+        run: |
+          sudo apt-get install -y libxml2-dev libxslt-dev python3-dev
+          pip install lxml
+      - name: Install lxml for Python < 3.14
         if: ${{ matrix.python-version != '3.14.0-alpha.1' }}
-        run: pip install lxml jinja2
+        run: pip install lxml
+      - name: Install other optional dependencies
+        run: pip install jinja2
       - name: Test with unittest
         run: |
           pip install .
@@ -48,5 +55,5 @@ jobs:
           flake8 xmlschema --max-line-length=100 --statistics
       - name: Lint with mypy
         run: |
-          pip install mypy==1.13.0 elementpath==4.5.0 lxml-stubs
+          pip install mypy==1.13.0 elementpath==4.6.0 lxml-stubs
           mypy --show-error-codes --strict xmlschema
diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index ee44137f..97e1be9e 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -2,6 +2,12 @@
 CHANGELOG
 *********
 
+`v3.4.3`_ (2024-10-31)
+======================
+* Fix incorrect validation error for substitution group with abstract head (issue #417)
+* Refactor XSD identities processing using also typed XPath 2.0+ for getting values (issue #418)
+* Clean tag retrieval during encode for some converter types (Abdera, BadgerFish and GData)
+
 `v3.4.2`_ (2024-09-17)
 ======================
 * Fix other failing URL normalization tests
@@ -727,3 +733,4 @@ v0.9.6 (2017-05-05)
 .. _v3.4.0: https://github.com/brunato/xmlschema/compare/v3.3.2...v3.4.0
 .. _v3.4.1: https://github.com/brunato/xmlschema/compare/v3.4.0...v3.4.1
 .. _v3.4.2: https://github.com/brunato/xmlschema/compare/v3.4.1...v3.4.2
+.. _v3.4.3: https://github.com/brunato/xmlschema/compare/v3.4.2...v3.4.3
diff --git a/doc/conf.py b/doc/conf.py
index 4382be36..324c02e8 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -81,7 +81,7 @@
 # The short X.Y version.
 version = '3.4'
 # The full version, including alpha/beta/rc tags.
-release = '3.4.2'
+release = '3.4.3'
 
 # 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 a4e43dfd..7ab467fb 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: '2024-09-17'
-softwareVersion: v3.4.2
+releaseDate: '2024-10-31'
+softwareVersion: v3.4.3
 developmentStatus: stable
 platforms:
   - linux
diff --git a/setup.py b/setup.py
index ea0ada66..675a4f94 100755
--- a/setup.py
+++ b/setup.py
@@ -18,7 +18,7 @@
 
 setup(
     name='xmlschema',
-    version='3.4.2',
+    version='3.4.3',
     packages=find_packages(include=['xmlschema*']),
     package_data={
         'xmlschema': ['py.typed', 'locale/**/*.mo', 'locale/**/*.po', 'schemas/*/*.xsd'],
@@ -63,6 +63,7 @@
         'Programming Language :: Python :: 3.11',
         'Programming Language :: Python :: 3.12',
         'Programming Language :: Python :: 3.13',
+        'Programming Language :: Python :: 3.14',
         'Programming Language :: Python :: Implementation :: CPython',
         'Programming Language :: Python :: Implementation :: PyPy',
         'Topic :: Software Development :: Libraries',
diff --git a/tox.ini b/tox.ini
index 24786c4b..fcb009cc 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,7 +1,7 @@
 [tox]
 min_version = 4.0
 envlist = flake8, py{38,39,310,311,312,313,314,py3}, ep{44,45,46}, docs,
-    mypy-py{38,39,310,311,312,313,py3}, coverage, pytest
+    mypy-py{38,39,310,311,312,313,314,py3}, coverage, pytest
 skip_missing_interpreters = true
 work_dir = {tox_root}/../.tox/xmlschema
 
@@ -44,10 +44,10 @@ commands =
     flake8 tests
     flake8 scripts
 
-[testenv:mypy-py{38,39,310,311,312,py3}]
+[testenv:mypy-py{38,39,310,311,312,313,314,py3}]
 deps =
     mypy==1.13.0
-    elementpath==4.5.0
+    elementpath==4.6.0
     lxml-stubs
     jinja2
 commands =
diff --git a/xmlschema/__init__.py b/xmlschema/__init__.py
index 506ad980..975f2ae0 100644
--- a/xmlschema/__init__.py
+++ b/xmlschema/__init__.py
@@ -33,7 +33,7 @@
     XMLSchema, XMLSchema10, XMLSchema11, XsdComponent, XsdType, XsdElement, XsdAttribute
 )
 
-__version__ = '3.4.2'
+__version__ = '3.4.3'
 __author__ = "Davide Brunato"
 __contact__ = "brunato@sissa.it"
 __copyright__ = "Copyright 2016-2024, SISSA"