diff --git a/.github/workflows/Regression_Tests.yaml b/.github/workflows/Regression_Tests.yaml
index 2066531..49f858b 100644
--- a/.github/workflows/Regression_Tests.yaml
+++ b/.github/workflows/Regression_Tests.yaml
@@ -14,10 +14,12 @@ on:
 jobs:
   Agent:
     strategy:
+      max-parallel: 3
       matrix:
         platform: [ubuntu-latest, macos-latest, windows-latest]
         python: ['3.7', '3.8', '3.9', '3.10', '3.11', '3.x']
         # python: ['3.7']
+        # python: ['3.x']
       fail-fast: false
     runs-on: ${{ matrix.platform }}
     steps: