diff --git a/CHANGES.txt b/CHANGES.txt
index cd101628..f06fbcea 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,5 +1,11 @@
 Pyxform Changelog
 
+v4.0.0, 2025-06-09
+* Case insensitivity of sheet, column, and setting names; plus more performance improvements by @lindsay-stevens in https://github.com/XLSForm/pyxform/pull/746
+* Ensure labels are visible for randomized selects with translations by @lindsay-stevens in https://github.com/XLSForm/pyxform/pull/764
+* Add client_editable setting by @lindsay-stevens in https://github.com/XLSForm/pyxform/pull/766
+* Support for / test with python 3.13 by @lindsay-stevens in https://github.com/XLSForm/pyxform/pull/768
+
 v3.0.1, 2025-02-25
 * More performance improvements by @lindsay-stevens in https://github.com/XLSForm/pyxform/pull/743
 * Handle obj.get(k, default) call pattern for backward compatibility by @lindsay-stevens in https://github.com/XLSForm/pyxform/pull/755
diff --git a/pyproject.toml b/pyproject.toml
index 2ee06bee..c95c9cad 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "pyxform"
-version = "3.0.1"
+version = "4.0.0"
 authors = [
   {name = "github.com/xlsform", email = "support@getodk.org"},
 ]
diff --git a/pyxform/__init__.py b/pyxform/__init__.py
index e2c0920e..4e10de8b 100644
--- a/pyxform/__init__.py
+++ b/pyxform/__init__.py
@@ -4,7 +4,7 @@
 Collect easy.
 """
 
-__version__ = "3.0.1"
+__version__ = "4.0.0"
 
 from pyxform.builder import (
     SurveyElementBuilder,