diff --git a/CHANGES.md b/CHANGES.md
index 6ba57b51..010910ed 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,7 +1,8 @@
 # pyfakefs Release Notes
 The released versions correspond to PyPI releases.
 
-## Unreleased
+## [Version 5.3.0](https://pypi.python.org/pypi/pyfakefs/5.3.0) (2023-10-11)
+Adds official support for Python 3.12.
 
 ### Changes
 * add official support for Python 3.12
diff --git a/docs/conf.py b/docs/conf.py
index d6e0d79d..54ef7c0f 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -64,9 +64,9 @@
 # built documents.
 #
 # The short X.Y version.
-version = "5.3"
+version = "5.3.0"
 # The full version, including alpha/beta/rc tags.
-release = "5.3.dev0"
+release = "5.3.0"
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
diff --git a/pyfakefs/_version.py b/pyfakefs/_version.py
index bdb37fc3..f5752882 100644
--- a/pyfakefs/_version.py
+++ b/pyfakefs/_version.py
@@ -1 +1 @@
-__version__ = "5.3.dev0"
+__version__ = "5.3.0"