diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 382b1c0b..10547df7 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -2,6 +2,11 @@
 CHANGELOG
 *********
 
+`v3.3.0`_ (2024-04-17)
+======================
+* Rewrite the validation of openContent using InterleavedModelVisitor and SuffixedModelVisitor
+* Fix validation of XSD 1.1 'all' nested models
+
 `v3.2.1`_ (2024-04-07)
 ======================
 * Improve ModelVisitor and particle occurs checking
@@ -692,3 +697,4 @@ v0.9.6 (2017-05-05)
 .. _v3.1.0: https://github.com/brunato/xmlschema/compare/v3.0.2...v3.1.0
 .. _v3.2.0: https://github.com/brunato/xmlschema/compare/v3.1.0...v3.2.0
 .. _v3.2.1: https://github.com/brunato/xmlschema/compare/v3.2.0...v3.2.1
+.. _v3.3.0: https://github.com/brunato/xmlschema/compare/v3.2.1...v3.3.0
diff --git a/doc/conf.py b/doc/conf.py
index d775efdd..5bab4057 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -79,9 +79,9 @@
 # built documents.
 #
 # The short X.Y version.
-version = '3.2'
+version = '3.3'
 # The full version, including alpha/beta/rc tags.
-release = '3.2.1'
+release = '3.3.0'
 
 # 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 ca1b3e5e..bad922f0 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: '2024-04-07'
-softwareVersion: v3.2.1
+releaseDate: '2024-04-17'
+softwareVersion: v3.3.0
 developmentStatus: stable
 platforms:
   - linux
diff --git a/setup.py b/setup.py
index d437c82d..53c2ea3b 100755
--- a/setup.py
+++ b/setup.py
@@ -18,7 +18,7 @@
 
 setup(
     name='xmlschema',
-    version='3.2.1',
+    version='3.3.0',
     packages=find_packages(include=['xmlschema*']),
     package_data={
         'xmlschema': ['py.typed', 'locale/**/*.mo', 'locale/**/*.po', 'schemas/*/*.xsd'],
diff --git a/xmlschema/__init__.py b/xmlschema/__init__.py
index b6b76489..87aff353 100644
--- a/xmlschema/__init__.py
+++ b/xmlschema/__init__.py
@@ -33,7 +33,7 @@
     XMLSchema, XMLSchema10, XMLSchema11, XsdComponent, XsdType, XsdElement, XsdAttribute
 )
 
-__version__ = '3.2.1'
+__version__ = '3.3.0'
 __author__ = "Davide Brunato"
 __contact__ = "brunato@sissa.it"
 __copyright__ = "Copyright 2016-2024, SISSA"