diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 5da6e033..65dd06c4 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -11,6 +11,21 @@
 Changelog
 +++++++++
 
+0.21.0
+======
+
+- Add support for the stable ABI for free-threaded interpreters (``abi3t``).
+- Add support for the stable ABI extension modules' platform-specific filename
+  suffixes introduced in Python 3.15.
+- Allow specifying ``editable-verbose`` in ``pyproject.toml``.
+- Improve the default behavior of editable installs by capturing and reporting
+  build errors when rebuilding.
+- Use ``.start`` files (PEP 829) instead of ``.pth`` files to implement editable
+  wheels for Python 3.15 and later.
+
+Daniele Nicolodi, Michał Górny, Ralf Gommers --- 25-08-2026.
+
+
 0.20.0
 ======
 
diff --git a/mesonpy/__init__.py b/mesonpy/__init__.py
index 3015729f..e88dd466 100644
--- a/mesonpy/__init__.py
+++ b/mesonpy/__init__.py
@@ -85,7 +85,7 @@ class InvalidLicenseExpression(Exception):  # type: ignore[no-redef]
     Path = Union[str, os.PathLike[str]]
 
 
-__version__ = '0.21.0.dev0'
+__version__ = '0.22.0.dev0'
 
 
 _PYPROJECT_METADATA_VERSION = tuple(map(int, pyproject_metadata.__version__.split('.')[:2]))
diff --git a/pyproject.toml b/pyproject.toml
index f550e237..66100bf5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -16,7 +16,7 @@ requires = [
 
 [project]
 name = 'meson-python'
-version = '0.21.0.dev0'
+version = '0.22.0.dev0'
 description = 'The Python build backend for Meson projects'
 readme = 'README.rst'
 requires-python = '>= 3.9'