diff --git a/.github/workflows/run-tests.yml b/.github/workflows/run-tests.yml
index 7a8494e..2ef7294 100644
--- a/.github/workflows/run-tests.yml
+++ b/.github/workflows/run-tests.yml
@@ -27,6 +27,7 @@ jobs:
           - laravel: 10.*
             testbench: 8.*
             carbon: ^2.63
+      max-parallel: 3
 
     name: P${{ matrix.php }} - L${{ matrix.laravel }} - ${{ matrix.stability }} - ${{ matrix.os }}