diff --git a/docs/main/changelog.rst b/docs/main/changelog.rst
index 6c55b4c2..f4b4b945 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`_
 
-4.42.0b
--------
+4.42.0b1
+--------
 
 - Add support of Python 3.12.
 - Drop support of Python 2.7, 3.5, and 3.6.
diff --git a/src/dependency_injector/__init__.py b/src/dependency_injector/__init__.py
index e24bb55c..42f7dbe2 100644
--- a/src/dependency_injector/__init__.py
+++ b/src/dependency_injector/__init__.py
@@ -1,6 +1,6 @@
 """Top-level package."""
 
-__version__ = "4.42.0b"
+__version__ = "4.42.0b1"
 """Version number.
 
 :type: str