diff --git a/.github/workflows/push-pull.yml b/.github/workflows/push-pull.yml
index 85e3e6ccc..f4283227f 100644
--- a/.github/workflows/push-pull.yml
+++ b/.github/workflows/push-pull.yml
@@ -13,3 +13,4 @@ jobs:
     secrets: inherit
     with:
       notebooks-env-files: .ci_support/environment.yml .ci_support/environment-notebooks.yml
+      python-version-alt3: 'exclude'  # No python 3.9