diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 17feee7ab4..997ce41cdb 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -96,7 +96,7 @@ jobs:
           pip install file://$PWD/python/ipywidgets#egg=ipywidgets[test]
       - name: Test with pytest
         run: |
-          pip install pytest
+          pip install "pytest<8"
           cd python/ipywidgets
           pytest --cov=ipywidgets ipywidgets