diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index f27330d..ce14e96 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -8,7 +8,7 @@ jobs:
       matrix:
         os: [windows-latest, ubuntu-latest]
         python-version: ["3.9", "3.10", "3.11", "3.12"]
-
+    runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v4
       - name: Set up Python ${{ matrix.python-version }}