diff --git a/docs/main/changelog.rst b/docs/main/changelog.rst
index 6ffd03ec..c6ceb629 100644
--- a/docs/main/changelog.rst
+++ b/docs/main/changelog.rst
@@ -7,9 +7,8 @@ that were made in every particular version.
 From version 0.7.6 *Dependency Injector* framework strictly 
 follows `Semantic versioning`_
 
-
-Development
------------
+4.40.0
+------
 - Add ``Configuration.from_json()`` method to load configuration from a json file.
 - Fix bug with wiring not working properly with functions double wrapped by ``@functools.wraps`` decorator.
   See issue: `#454 <https://github.com/ets-labs/python-dependency-injector/issues/454>`_.
diff --git a/src/dependency_injector/__init__.py b/src/dependency_injector/__init__.py
index c8795911..6f8c1f80 100644
--- a/src/dependency_injector/__init__.py
+++ b/src/dependency_injector/__init__.py
@@ -1,6 +1,6 @@
 """Top-level package."""
 
-__version__ = "4.39.1"
+__version__ = "4.40.0"
 """Version number.
 
 :type: str