diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
index 6421731..9a58cf5 100644
--- a/.github/workflows/python-package.yml
+++ b/.github/workflows/python-package.yml
@@ -43,7 +43,7 @@ jobs:
                 python -m pip install git+https://github.com/desihub/desispec.git@${DESISPEC_VERSION}#egg=desispec
                 python -m pip install git+https://github.com/desihub/desitarget.git@${DESITARGET_VERSION}#egg=desitarget
                 python -m pip install --upgrade "numpy${{ matrix.numpy-version }}"
-                python -m pip install --upgrade "astropy${{ matrix.astropy-version }}" scipy fitsio numba
+                python -m pip install --upgrade "astropy${{ matrix.astropy-version }}" 'scipy<1.13' fitsio numba
                 python -m pip install --editable .[test]
             - name: Run the test
               run: pytest
@@ -80,7 +80,7 @@ jobs:
                 python -m pip install git+https://github.com/desihub/desispec.git@${DESISPEC_VERSION}#egg=desispec
                 python -m pip install git+https://github.com/desihub/desitarget.git@${DESITARGET_VERSION}#egg=desitarget
                 python -m pip install --upgrade "numpy${{ matrix.numpy-version }}"
-                python -m pip install --upgrade "astropy${{ matrix.astropy-version }}" scipy fitsio numba
+                python -m pip install --upgrade "astropy${{ matrix.astropy-version }}" 'scipy<1.13' fitsio numba
                 python -m pip install --editable .[coverage]
             - name: Run the test with coverage
               run: pytest --cov