diff --git a/.github/workflows/testpypi-release.yaml b/.github/workflows/testpypi-release.yaml
index ee2365cb88c..fbef093540b 100644
--- a/.github/workflows/testpypi-release.yaml
+++ b/.github/workflows/testpypi-release.yaml
@@ -30,6 +30,7 @@ jobs:
         run: |
           python .github/workflows/configure-testpypi-version.py pyproject.toml
           git update-index --assume-unchanged pyproject.toml
+          cat pyproject.toml
 
       - name: Build tarball and wheels
         run: |
diff --git a/doc/getting-started-guide/installing.rst b/doc/getting-started-guide/installing.rst
index 6c7c82dec72..68472476fd7 100644
--- a/doc/getting-started-guide/installing.rst
+++ b/doc/getting-started-guide/installing.rst
@@ -155,7 +155,7 @@ To install the most recent development version, install from github::
 
 or from TestPyPI::
 
-     $ python -m pip install --index-url https://test.pypi.org/simple --extra-index-url https://pypi.org/simple xarray
+     $ python -m pip install --index-url https://test.pypi.org/simple --extra-index-url https://pypi.org/simple --pre xarray
 
 Testing
 -------