diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index f0a2dd5694c078..69b78e5567adb1 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -377,6 +377,8 @@ jobs:
         # failing when executed from inside a virtual environment.
         ${{ env.VENV_PYTHON }} -m test \
           -W \
+          -o \
+          -j4 \
           -x test_asyncio \
           -x test_multiprocessing_fork \
           -x test_multiprocessing_forkserver \