diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 901873a5f..81b3d3a83 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -2,7 +2,7 @@ exclude: tests/fixtures
 
 repos:
   - repo: https://github.com/asottile/pyupgrade
-    rev: v2.31.1
+    rev: v2.32.0
     hooks:
       - id: pyupgrade
         args: [--py37-plus]
@@ -26,7 +26,7 @@ repos:
         args: ["--suppress-none-returning"]
 
   - repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v4.1.0
+    rev: v4.2.0
     hooks:
       - id: trailing-whitespace
       - id: end-of-file-fixer
diff --git a/CHANGES.rst b/CHANGES.rst
index 4042350b7..afca8217b 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,3 +1,11 @@
+22.4 (2022-04-10)
+-----------------
+- Added config option to unnest classes
+- Added new class meta option global_type, to hide classes from discovery
+- Removed min/max length restrictions for enum type fields
+- Allow builtin xml types to be fully extended `#672 <https://github.com/tefra/xsdata/pull/672>`_
+
+
 22.3 (2022-03-20)
 -----------------
 - Added official support for python 3.11
diff --git a/README.rst b/README.rst
index fc16eb608..c4f9f283b 100644
--- a/README.rst
+++ b/README.rst
@@ -96,8 +96,9 @@ Features
   - Customize behaviour through config
 
 
-Changelog: 22.3 (2022-03-20)
+Changelog: 22.4 (2022-04-10)
 ----------------------------
-- Added official support for python 3.11
-- Fixed enumerations restricting complex types `#659 <https://github.com/tefra/xsdata/issues/659>`_
-- Fixed attribute name duplicate check to avoid invalid slugs
+- Added config option to unnest classes
+- Added new class meta option global_type, to hide classes from discovery
+- Removed min/max length restrictions for enum type fields
+- Allow builtin xml types to be fully extended `#672 <https://github.com/tefra/xsdata/pull/672>`_
diff --git a/xsdata/__init__.py b/xsdata/__init__.py
index 9a500ab57..165bd5dd4 100644
--- a/xsdata/__init__.py
+++ b/xsdata/__init__.py
@@ -1 +1 @@
-__version__ = "22.3"
+__version__ = "22.4"