diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
index 3142f2e..7872a1c 100644
--- a/.github/workflows/python-package.yml
+++ b/.github/workflows/python-package.yml
@@ -17,10 +17,11 @@ jobs:
             fail-fast: true
             matrix:
                 os: [ubuntu-latest]
-                python-version: ['3.9']  # fuji+guadalupe, not ready for 3.10 yet
-                astropy-version: ['==5.0', '<5.1']  # fuji+guadalupe, latest
-                fitsio-version: ['==1.1.6', '<2']  # fuji+guadalupe, latest
-                numpy-version: ['<1.23']  # to keep asscalar, used by astropy
+                # DESI 24.4 release
+                python-version: ['3.10']
+                astropy-version: ['==6.0.1']
+                fitsio-version: ['==1.2.1']
+                numpy-version: ['==1.22.4']
         env:
             DESIUTIL_VERSION: 3.2.5
             DESIMODEL_DATA: branches/test-0.19
@@ -39,23 +40,34 @@ jobs:
                 python -m pip install --upgrade pip setuptools wheel
                 python -m pip install pytest
                 python -m pip install git+https://github.com/desihub/desiutil.git@${DESIUTIL_VERSION}#egg=desiutil
-                echo "Step 2"
+                echo "Step 2" # -> no numpy
                 python -c "import numpy as x; print(x.__version__)" || echo "no numpy yet"
                 python -m pip install -U 'numpy${{ matrix.numpy-version }}'
-                echo "Step 3"
+                echo "Step 3" # -> 1.22.4
                 python -c "import numpy as x; print(x.__version__)" || echo "no numpy yet"
                 python -m pip install -U 'astropy${{ matrix.astropy-version }}'
-                echo "Step 4"
+                echo "Step 4" # -> 1.22.4
                 python -c "import numpy as x; print(x.__version__)" || echo "no numpy yet"
                 python -m pip cache remove fitsio
-                echo "Step 5"
+                echo "Step 5" # -> 1.22.4
                 python -c "import numpy as x; print(x.__version__)" || echo "no numpy yet"
                 python -m pip install --no-deps --force-reinstall --ignore-installed 'fitsio${{ matrix.fitsio-version }}'
-                echo "Step 6"
-                python -c "import numpy as x; print(x.__version__)" || echo "no numpy yet"
-                python -m pip install pyyaml requests scipy healpy matplotlib
-                echo "Step 7"
+                echo "Step 6" # -> 1.22.4
                 python -c "import numpy as x; print(x.__version__)" || echo "no numpy yet"
+                #
+                #python -m pip install pyyaml requests scipy healpy matplotlib
+                #echo "Step 7" # -> 2.0.1
+                #python -c "import numpy as x; print(x.__version__)" || echo "no numpy yet"
+                #
+                python -m pip install pyyaml requests
+                echo "Step 7a" && python -c "import numpy as x; print(x.__version__)" || echo "no numpy yet"
+                python -m pip install scipy
+                echo "Step 7b" && python -c "import numpy as x; print(x.__version__)" || echo "no numpy yet"
+                python -m pip install matplotlib
+                echo "Step 7c" && python -c "import numpy as x; print(x.__version__)" || echo "no numpy yet"
+                python -m pip install healpy
+                echo "Step 7d" && python -c "import numpy as x; print(x.__version__)" || echo "no numpy yet"
+                #
                 svn export https://desi.lbl.gov/svn/code/desimodel/${DESIMODEL_DATA}/data
                 # ADM grab the surveyops directory.
                 wget -e robots=off -r -np -nH --cut-dirs 7 https://data.desi.lbl.gov/public/edr/survey/ops/surveyops/tags/0.1/ops/