diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
new file mode 100644
index 0000000..02a8c26
--- /dev/null
+++ b/CONTRIBUTING.md
@@ -0,0 +1,29 @@
+# How to contribute
+
+Development of nbstripout happens on
+[GitHub](https://github.com/kynan/nbstripout) -
+[bug reports](https://github.com/kynan/nbstripout/issues) and
+[pull requests](https://github.com/kynan/nbstripout/pulls) welcome!
+
+# Releasing a new version
+
+To simplify updating the version number consistently across different files and
+creating the appropriate annotated tag, we use
+[bump-my-version](https://github.com/callowayproject/bump-my-version). For a new
+patch release, run
+
+    bump-my-version bump patch
+
+and for a minor release, run
+
+    bump-my-version bump minor
+
+Remember to also push the release tag with `git push --tags`.
+
+Use [twine](https://twine.readthedocs.io/en/latest/#using-twine) to upload the
+new release to PyPI:
+
+    python -m build
+    twine check dist/nbstripout-0.6.2*
+    twine upload -r testpypi dist/nbstripout-0.6.2*
+    twine upload dist/nbstripout-0.6.2*
diff --git a/CONTRIBUTING.rst b/CONTRIBUTING.rst
deleted file mode 100644
index 35b51ba..0000000
--- a/CONTRIBUTING.rst
+++ /dev/null
@@ -1,28 +0,0 @@
-How to contribute
-=================
-
-Development of nbstripout happens on GitHub_ - `bug reports`_ and `pull
-requests`_ welcome!
-
-Releasing a new version
------------------------
-
-To simplify updating the version number consistently across different files
-and creating the appropriate annotated tag, we use bump-my-version_. For a new
-patch release, run ::
-
-    bump-my-version bump patch
-
-and for a minor release ::
-
-    bump-my-version bump minor
-
-Remember to also push the release tag with ``git push --tags``.
-
-Use twine_ to upload the new release to PyPI.
-
-.. _GitHub: https://github.com/kynan/nbstripout
-.. _bug reports: https://github.com/kynan/nbstripout/issues
-.. _pull requests: https://github.com/kynan/nbstripout/pulls
-.. _bump-my-version: https://github.com/callowayproject/bump-my-version
-.. _twine: https://twine.readthedocs.io/en/latest/#using-twine
diff --git a/setup.cfg b/setup.cfg
index 6e84ef8..5210535 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -5,6 +5,8 @@ tag = True
 tag_name = {new_version}
 tag_message = v{new_version}
 
+[bumpversion:file:CONTRIBUTING.md]
+
 [bumpversion:file:README.rst]
 search = rev: {current_version}
 replace = rev: {new_version}