diff --git a/.github/workflows/mac_tests.yaml b/.github/workflows/mac_tests.yaml
index a74c10c47..35956d3b2 100644
--- a/.github/workflows/mac_tests.yaml
+++ b/.github/workflows/mac_tests.yaml
@@ -25,4 +25,4 @@ jobs:
         run: |
           brew install openmpi
           pip install -e .[memprof,mpi,test]
-          pytest -n 3 armi
+          pytest -n 8 armi
diff --git a/.github/workflows/unittests.yaml b/.github/workflows/unittests.yaml
index 9d61b1b76..239c0c569 100644
--- a/.github/workflows/unittests.yaml
+++ b/.github/workflows/unittests.yaml
@@ -29,6 +29,6 @@ jobs:
       - name: Run Tests
         run: |
           pip install -e .[memprof,mpi,test]
-          pytest -n 3 armi
+          pytest -n 8 armi
           mpiexec -n 2 --use-hwthread-cpus coverage run --rcfile=pyproject.toml -m pytest --cov=armi --cov-config=pyproject.toml --ignore=venv armi/tests/test_mpiFeatures.py || true
           mpiexec -n 2 --use-hwthread-cpus coverage run --rcfile=pyproject.toml -m pytest --cov=armi --cov-config=pyproject.toml --ignore=venv armi/tests/test_mpiParameters.py || true
diff --git a/.github/workflows/wintests.yaml b/.github/workflows/wintests.yaml
index 1b554d8e6..bfdcad876 100644
--- a/.github/workflows/wintests.yaml
+++ b/.github/workflows/wintests.yaml
@@ -24,6 +24,6 @@ jobs:
       - name: Run Unit Tests on Windows
         run: |
           pip install -e .[memprof,mpi,test]
-          pytest -n 3 armi
+          pytest -n 8 armi
       - name: Find Test Crumbs
         run: python .github/workflows/find_test_crumbs.py