diff --git a/dev/README_RELEASE_AIRFLOW.md b/dev/README_RELEASE_AIRFLOW.md
index 14f369613bc06..3252b0a906463 100644
--- a/dev/README_RELEASE_AIRFLOW.md
+++ b/dev/README_RELEASE_AIRFLOW.md
@@ -350,7 +350,18 @@ uv tool install -e ./dev/breeze
     git reset --hard origin/v${VERSION_BRANCH}-test
     ```
 
-- Set your version in `airflow/__init__.py` (without the RC tag).
+- Create a new branch from v${VERSION_BRANCH}-test
+
+    ```shell script
+    git checkout -b ${SYNC_BRANCH}
+    ```
+
+    We sync this new branch to the stable branch so that people would continue to backport PRs to the test branch
+    while the RC is being voted. The new branch must be in sync with where you cut it off from the test branch.
+
+- Set the Airflow version in `airflow-core/src/airflow/__init__.py` (without the RC tag).
+- Set the Task SDK version in `task-sdk/src/airflow/sdk/__init__.py` (without the RC tag)
+- Update the Task SDK version `>=` part in `airflow-core/pyproject.toml` to `==` TASK_SDK_VERSION without RC
 - Run `git commit` without a message to update versions in `docs`.
 - Add supported Airflow version to `./scripts/ci/prek/supported_versions.py` and let prek do the job again.
 - Replace the versions in `README.md` about installation and verify that installation instructions work fine.