diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 8852f09..9eeb8f1 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -32,10 +32,8 @@ jobs:
       run: pip install --only-binary ":all:" scipy || true
 
     - name: Install python-graphblas
-      if: ${{ !contains(matrix.python-version, 'pypy') && matrix.python-version != '3.7' }}  # no wheels for PyPy or old Python
       run: |
-        pip install suitesparse-graphblas==7.4.4.1a1
-        pip install python-graphblas
+      pip install donfig && pip install --only-binary ":all:" python-graphblas || true
 
     - name: Install pydata sparse
       if: ${{ !contains(matrix.python-version, 'pypy') && matrix.python-version != '3.7' }}  # no wheels for PyPy or old Python