diff --git a/.github/workflows/Arch.yaml b/.github/workflows/Arch.yaml
index cea57a4d..4ace48ff 100644
--- a/.github/workflows/Arch.yaml
+++ b/.github/workflows/Arch.yaml
@@ -35,4 +35,4 @@ jobs:
         env:
           PYTEST_ADDOPTS: "--color=yes"
         run: |
-          python3 -m pytest -v
+          python3 -m pytest -v -n $((`nproc` / 2))
diff --git a/.github/workflows/Ubuntu.yaml b/.github/workflows/Ubuntu.yaml
index bab3026b..f788d07d 100644
--- a/.github/workflows/Ubuntu.yaml
+++ b/.github/workflows/Ubuntu.yaml
@@ -41,4 +41,4 @@ jobs:
         env:
           PYTEST_ADDOPTS: "--color=yes"
         run: |
-          python3 -m pytest -v
+          python3 -m pytest -v -n $((`nproc` / 2))