diff --git a/docs/ReleaseGuide.md b/docs/ReleaseGuide.md
index 5e9aa226..6f509a77 100644
--- a/docs/ReleaseGuide.md
+++ b/docs/ReleaseGuide.md
@@ -13,21 +13,23 @@ The release of the `python-bindings` repository is made directly from a release
     * `CHANGELOG.md` on `python-bindings-v2.1.1.1`.
     * There is no need to bump the version anywhere else, since we use the [python-versioneer](https://github.com/python-versioneer/python-versioneer/) for maintaining the version everywhere else.
 
-4. [Draft a New Release](https://github.com/precice/python-bindings/releases/new) in the `Releases` section of the repository page in a web browser.
+4. *Optional* test the [py-pyprecice Spack package](https://github.com/spack/spack/blob/develop/var/spack/repos/builtin/packages/py-pyprecice/package.py) using `spack dev-build py-pyprecice@develop`.
+
+5. [Draft a New Release](https://github.com/precice/python-bindings/releases/new) in the `Releases` section of the repository page in a web browser.
 
     * The release tag needs to be the exact version number (i.e.`v2.1.1.1` or `v2.1.1.1rc1`, compare to [existing tags](https://github.com/precice/python-bindings/tags)).
     * If this is a stable release, use `@target:master`. If this is a pre-release, use `@target:python-bindings-v2.1.1.1`. If you are making a pre-release, **directly skip to the [pre-release](#pre-release) section below**.
     * Release title is also the version number (i.e. `v2.1.1.1` or `v2.1.1.1rc1`, compare to [existing releases](https://github.com/precice/python-bindings/tags)).
 
-5. As soon as one approving review is made, merge the release PR (from `python-bindings-v2.1.1.1`) into `master`.
+6. As soon as one approving review is made, merge the release PR (from `python-bindings-v2.1.1.1`) into `master`.
 
-6. Merge `master` into `develop` for synchronization of `develop`.
+7. Merge `master` into `develop` for synchronization of `develop`.
 
-7. If everything is in order up to this point then the new version can be released by hitting the "Publish release" button in your release Draft. This will create the corresponding tag and trigger [publishing the release to PyPI](https://github.com/precice/python-bindings/actions?query=workflow%3A%22Upload+Python+Package%22).
+8. If everything is in order up to this point then the new version can be released by hitting the "Publish release" button in your release Draft. This will create the corresponding tag and trigger [publishing the release to PyPI](https://github.com/precice/python-bindings/actions?query=workflow%3A%22Upload+Python+Package%22).
 
-8. Now there exists be a tag corresponding to the release on `master`. Re-run the [docker release workflow `build-docker.yml` via dispatch]([https://github.com/precice/fenics-adapter/actions/workflows/build-docker.yml](https://github.com/precice/python-bindings/actions/workflows/build-docker.yml)) such that the correct version is picked up by `versioneer`. Check the version in the container via `docker pull precice/python-bindings`, then `docker run -ti precice/python-bindings`, and inside the container `$ python3 -c "import precice; print(precice.__version__)"`. ⚠️ There is an open issue that needs fixing https://github.com/precice/python-bindings/issues/195 ⚠️
+9. Now there exists be a tag corresponding to the release on `master`. Re-run the [docker release workflow `build-docker.yml` via dispatch]([https://github.com/precice/fenics-adapter/actions/workflows/build-docker.yml](https://github.com/precice/python-bindings/actions/workflows/build-docker.yml)) such that the correct version is picked up by `versioneer`. Check the version in the container via `docker pull precice/python-bindings`, then `docker run -ti precice/python-bindings`, and inside the container `$ python3 -c "import precice; print(precice.__version__)"`. ⚠️ There is an open issue that needs fixing https://github.com/precice/python-bindings/issues/195 ⚠️
 
-9. Add an empty commit (details https://github.com/precice/python-bindings/issues/109) on master by running the steps:
+10. Add an empty commit (details https://github.com/precice/python-bindings/issues/109) on master by running the steps:
 
     ```bash
     git checkout master
@@ -56,7 +58,7 @@ The release of the `python-bindings` repository is made directly from a release
 
    For more details refer to https://github.com/precice/python-bindings/issues/109 and https://github.com/python-versioneer/python-versioneer/issues/217.
 
-10. *Temporarily not maintained* Update Spack package (refer to `python-bindings/spack/README.md`).
+11. *Temporarily not maintained* Update the [py-pyprecice Spack package](https://github.com/spack/spack/blob/develop/var/spack/repos/builtin/packages/py-pyprecice/package.py).
 
 ## Pre-release