diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index fe0d34276..24be70478 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -117,7 +117,7 @@ jobs:
           OFE_SLOW_TESTS: ${{ fromJSON('{"false":"false","true":"true"}')[github.event_name != 'pull_request'] }}
           DUECREDIT_ENABLE: 'yes'
         run: |
-          pytest -n auto -v --cov=openfe --cov=openfecli --cov-report=xml --durations=10
+          pytest -n logical -v --cov=openfe --cov=openfecli --cov-report=xml --durations=10
 
       - name: codecov-pr
         if: ${{ github.repository == 'OpenFreeEnergy/openfe'