diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index da3ca2cb..380ef648 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -38,8 +38,9 @@ jobs:
           . /home/firedrake/firedrake/bin/activate
           export PYOP2_CFLAGS='-O0'
           python -m pytest \
+            -n 12 --dist worksteal \
             --durations=100 \
             --timeout=3600 \
             --timeout-method=thread \
             -o faulthandler_timeout=3660 \
-            -v examples
+            -v unit-tests integration-tests examples