diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 59444379..a84785d7 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -60,7 +60,7 @@ jobs:
           /tmp/sbin/initctl -h
       - name: Run Unit Tests
         run: |
-          make check || (cat test/test-suite.log; false)
+          make -j1 check || (cat test/test-suite.log; false)
       - name: Upload Test Results
         uses: actions/upload-artifact@v2
         with: