diff --git a/CHANGES.md b/CHANGES.md
index 38db2112..7fd08cf2 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -5,7 +5,8 @@ The released versions correspond to PyPI releases.
 * remove support for patching legacy modules `scandir` and `pathlib2`
 * remove support for Python 3.7
 
-## Unreleased
+## [Version 5.5.0](https://pypi.python.org/pypi/pyfakefs/5.5.0) (2024-05-12)
+Deprecates the usage of `pathlib2` and `scandir`.
 
 ### Changes
 * The usage of the `pathlib2` and `scandir` modules in pyfakefs is now deprecated.
@@ -16,6 +17,7 @@ The released versions correspond to PyPI releases.
   and/or faked filesystem customization (see [#1006](../../issues/1006)).
 
 ### Fixes
+* fixed handling of Windows `pathlib` paths under POSIX and vice verse (see [#1006](../../issues/1006))
 * correctly use real open calls in pathlib for skipped modules (see [#1012](../../issues/1012))
 
 ## [Version 5.4.1](https://pypi.python.org/pypi/pyfakefs/5.4.0) (2024-04-11)
diff --git a/docs/conf.py b/docs/conf.py
index b444e7be..e11702b6 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -64,9 +64,9 @@
 # built documents.
 #
 # The short X.Y version.
-version = "5.5"
+version = "5.5.0"
 # The full version, including alpha/beta/rc tags.
-release = "5.5.dev0"
+release = "5.5.0"
 
 # 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 2ed06aac..016ab6b2 100644
--- a/pyfakefs/_version.py
+++ b/pyfakefs/_version.py
@@ -1 +1 @@
-__version__ = "5.5.dev0"
+__version__ = "5.5.0"