diff --git a/docs/main/changelog.rst b/docs/main/changelog.rst
index 2cc585d0..c6dca417 100644
--- a/docs/main/changelog.rst
+++ b/docs/main/changelog.rst
@@ -7,8 +7,8 @@ that were made in every particular version.
 From version 0.7.6 *Dependency Injector* framework strictly 
 follows `Semantic versioning`_
 
-Development version
--------------------
+4.23.1
+------
 - Hotfix a bug with importing FastAPI ``Request``.
   See issue: `#398 <https://github.com/ets-labs/python-dependency-injector/issues/398>`_.
   Thanks to `@tapm <https://github.com/tapm>`_ for reporting the bug.
diff --git a/src/dependency_injector/__init__.py b/src/dependency_injector/__init__.py
index 6bb0c6ff..7900d9f0 100644
--- a/src/dependency_injector/__init__.py
+++ b/src/dependency_injector/__init__.py
@@ -1,6 +1,6 @@
 """Top-level package."""
 
-__version__ = '4.23.0'
+__version__ = '4.23.1'
 """Version number.
 
 :type: str