diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index bae0dc33..382b1c0b 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -2,6 +2,12 @@
 CHANGELOG
 *********
 
+`v3.2.1`_ (2024-04-07)
+======================
+* Improve ModelVisitor and particle occurs checking
+* Fix interleave mode with XSD 1.1 open content (issue #397)
+* Fix for export/download of XSD sources with commented-out imports/include (issue #387)
+
 `v3.2.0`_ (2024-03-25)
 ======================
 * Add *download_schemas()* to package API (#387)
@@ -685,3 +691,4 @@ v0.9.6 (2017-05-05)
 .. _v3.0.2: https://github.com/brunato/xmlschema/compare/v3.0.1...v3.0.2
 .. _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
diff --git a/doc/conf.py b/doc/conf.py
index a904cf53..d775efdd 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -81,7 +81,7 @@
 # The short X.Y version.
 version = '3.2'
 # The full version, including alpha/beta/rc tags.
-release = '3.2.0'
+release = '3.2.1'
 
 # 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 a2c4d38a..ca1b3e5e 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: '2024-03-25'
-softwareVersion: v3.2.0
+releaseDate: '2024-04-07'
+softwareVersion: v3.2.1
 developmentStatus: stable
 platforms:
   - linux
diff --git a/setup.py b/setup.py
index eef900e3..d437c82d 100755
--- a/setup.py
+++ b/setup.py
@@ -18,7 +18,7 @@
 
 setup(
     name='xmlschema',
-    version='3.2.0',
+    version='3.2.1',
     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 d22a9ed4..b6b76489 100644
--- a/xmlschema/__init__.py
+++ b/xmlschema/__init__.py
@@ -33,7 +33,7 @@
     XMLSchema, XMLSchema10, XMLSchema11, XsdComponent, XsdType, XsdElement, XsdAttribute
 )
 
-__version__ = '3.2.0'
+__version__ = '3.2.1'
 __author__ = "Davide Brunato"
 __contact__ = "brunato@sissa.it"
 __copyright__ = "Copyright 2016-2024, SISSA"
diff --git a/xmlschema/aliases.py b/xmlschema/aliases.py
index 53cb45a5..f121a46a 100644
--- a/xmlschema/aliases.py
+++ b/xmlschema/aliases.py
@@ -27,10 +27,9 @@
            'ElementHookType', 'UriMapperType', 'OccursCounterType']
 
 if TYPE_CHECKING:
-    from collections import Counter
     from decimal import Decimal
     from pathlib import Path
-    from typing import Any, Callable, Dict, List, IO, Iterator, \
+    from typing import Any, Callable, Counter, Dict, List, IO, Iterator, \
         MutableMapping, Tuple, Type, Union
     from xml.etree import ElementTree