diff --git a/CHANGES.rst b/CHANGES.rst
index b845075e..c038ecaa 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,7 +1,8 @@
 Changes
 =======
 
-In next release ...
+4.2.0 (2023-09-25)
+------------------
 
 - An XML document provided as a string (i.e. decoded) now correctly
   has its content encoding parsed.
diff --git a/setup.py b/setup.py
index db78be37..d200995f 100644
--- a/setup.py
+++ b/setup.py
@@ -1,4 +1,4 @@
-__version__ = '4.1.1-dev'
+__version__ = '4.2.0'
 
 import os