diff --git a/.github/workflows/sphinx2ghpages.yml b/.github/workflows/sphinx2ghpages.yml
index d031425..41d92dd 100644
--- a/.github/workflows/sphinx2ghpages.yml
+++ b/.github/workflows/sphinx2ghpages.yml
@@ -1,5 +1,3 @@
-# Based on https://github.com/soxofaan/github-actions-sphinx2ghpages
-
 name: Sphinx Documentation to GitHub Pages
 
 on:
@@ -10,36 +8,36 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
-
-    - name: Set up Python
-      uses: actions/setup-python@v2
-      with:
-        python-version: "3.10"
-
-    - name: Install dependencies (including Sphinx and related)
-      run: |
-        python -m pip install --upgrade pip
-        # Workaround for vam.whittaker installation issue https://github.com/WFP-VAM/vam.whittaker/issues/4
-        python -m pip install numpy==1.23.5 cython furo
-        python -m pip install .[dev]
-
-    - name: Sphinx build
-      run: python -m sphinx -b html docs/source docs/build
-
-    - name: Commit documentation in gh-pages branch
-      run: |
-        cd docs/build
-        git init -b gh-pages
-        touch .nojekyll
-        git config --local user.name "GitHub Actions Bot"
-        git config --local user.email "actions@github.com"
-        git add .
-        git commit -m "Update documentation"
-
-    - name: Push gh-pages branch
-      run: |
-        cd docs/build
-        git push --force "https://${GITHUB_ACTOR}:${GITHUB_TOKEN}@github.com/${GITHUB_REPOSITORY}" gh-pages
-      env:
-        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      - uses: actions/checkout@v2
+
+      - name: Set up Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: "3.8"
+
+      - name: Install dependencies (including Sphinx and related)
+        run: |
+          python -m pip install --upgrade pip
+          # Workaround for vam.whittaker installation issue https://github.com/WFP-VAM/vam.whittaker/issues/4
+          python -m pip install numpy==1.23.5 cython furo
+          python -m pip install .[dev]
+
+      - name: Sphinx build
+        run: python -m sphinx -b html docs/source docs/build
+
+      - name: Commit documentation in gh-pages branch
+        run: |
+          cd docs/build
+          git init -b gh-pages
+          touch .nojekyll
+          git config --local user.name "GitHub Actions Bot"
+          git config --local user.email "actions@github.com"
+          git add .
+          git commit -m "Update documentation"
+
+      - name: Push gh-pages branch
+        run: |
+          cd docs/build
+          git push --force "https://${GITHUB_ACTOR}:${GITHUB_TOKEN}@github.com/${GITHUB_REPOSITORY}" gh-pages
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
diff --git a/pyproject.toml b/pyproject.toml
index b0f0765..830c87b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,3 +1,3 @@
 [build-system]
-requires = ["setuptools>=42"]
+requires = ["setuptools>=42", "wheel", "numpy==1.23.5"]
 build-backend = "setuptools.build_meta"
diff --git a/src/fusets/_phenolopy.py b/src/fusets/_phenolopy.py
index 5be0488..902ae81 100644
--- a/src/fusets/_phenolopy.py
+++ b/src/fusets/_phenolopy.py
@@ -1,4 +1,5 @@
 # phenolopy
+# flake8: noqa
 '''
 COPIED: this library is not yet packaged and distributed!
 
diff --git a/tests/test_ccdc.py b/tests/test_ccdc.py
index 3028009..b63b3fc 100644
--- a/tests/test_ccdc.py
+++ b/tests/test_ccdc.py
@@ -3,6 +3,7 @@
 
 import numpy as np
 import numpy.testing
+import pytest
 import requests
 import xarray
 from numpy.testing import assert_allclose
@@ -32,6 +33,7 @@ def test_fit_simple_harmonics_exact(harmonic_timeseries):
     assert_allclose(coefficients, [5000,5,600,200],atol=3)
 
 
+@pytest.mark.skip(reason="See https://github.com/Open-EO/FuseTS/issues/84#issuecomment-1600702434")
 def test_ccdc_change_detection(harmonic_timeseries):
 
     breaks = ccdc_change_detection(harmonic_timeseries)