diff --git a/CHANGES.rst b/CHANGES.rst
index dac122d..57b4a6c 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,6 +1,13 @@
 Changes
 =======
 
+0.7.0 (unreleased)
+------------------
+
+* Drop support for Python 3.8, add support for Python 3.13.
+* Non-typed and non-injectable parameters with a default value no longer
+  trigger an error when building a plan.
+
 0.6.0 (2023-12-26)
 ------------------
 
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..eb5e6df
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,14 @@
+[tool.bumpversion]
+current_version = "0.6.0"
+commit = true
+tag = true
+tag_name = "{new_version}"
+
+[[tool.bumpversion.files]]
+filename = 'CHANGES.rst'
+search = "\\(unreleased\\)$"
+replace = "({now:%Y-%m-%d})"
+regex = true
+
+[[tool.bumpversion.files]]
+filename = "setup.py"
\ No newline at end of file
diff --git a/setup.cfg b/setup.cfg
deleted file mode 100644
index 70e3281..0000000
--- a/setup.cfg
+++ /dev/null
@@ -1,7 +0,0 @@
-[bumpversion]
-current_version = 0.6.0
-commit = True
-tag = True
-tag_name = {new_version}
-
-[bumpversion:file:setup.py]