diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 187412f8..dfa54af5 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -130,7 +130,6 @@ $ black .
 The release process(compiling TypeScript files, packaging Python distributions and uploading to PyPI) is fully automated by GitHub Actions.
 
 1. Replace `optuna_dashboard.version.__version__` to the next version.
-2. Create a git tag and push it to GitHub. If succeeded, GitHub Action will publish the new version to PyPI and create a draft GitHub release.
-3. Edit a GitHub release and add change logs. Then make it publish.
-4. Post an annoucement on [GitHub Discussions](https://github.com/optuna/optuna-dashboard/discussions/categories/announcements).
+2. Create a git tag and push it to GitHub. If succeeded, GitHub Action will build sdist/wheel packages and create a draft GitHub release.
+3. Edit a GitHub release, generate release note, and mark "Create [a discussion](https://github.com/optuna/optuna-dashboard/discussions/categories/announcements) for this release" checkbox. Then make it publish. GitHub Action will release the new version to PyPI.