diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index af0067b..a499b95 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -22,4 +22,4 @@ jobs:
     - uses: excitedleigh/setup-nox@v2.1.0
 
       name: ${{ matrix.python }}
-    - run: nox -s test -p ${{ matrix.python }}
+    - run: nox -s test -p ${{ matrix.python }} -n 4