diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 9c8c48ef..e38d5ee9 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -33,7 +33,8 @@ jobs:
         pip freeze
     - name: Run tests
       run: |
-        pytest
+        pytest -n auto -m "not serial"
+        pytest -m "serial"
     - name: Check if cog needs to be run
       run: |
         cog --check docs/*.rst