diff --git a/.github/workflows/main.yaml b/.github/workflows/main.yaml
index badf26d..4c82441 100644
--- a/.github/workflows/main.yaml
+++ b/.github/workflows/main.yaml
@@ -3,14 +3,19 @@ on:
 - push
 jobs:
   checks:
-    runs-on: ubuntu-24.04
     strategy:
       matrix:
+        system:
+        - 'ubuntu-24.04'
+        - 'ubuntu-22.04'
+        - 'macos-15'
+        - 'macos-14'
         python-version:
         - '3.10'
         - '3.11'
         - '3.12'
         - '3.13'
+    runs-on: ${{matrix.system}}
     steps:
     - uses: actions/checkout@v4
     - name: Set up Python ${{matrix.python-version}}