diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index f1acd346..6651ffe0 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -9,7 +9,12 @@ jobs:
   build:
 
     # we can also specify the OS to run tests on
-    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest, windows-latest]
+        python-version: ["3.8", "3.9", "3.10"]
+
+    runs-on: ${{ matrix.os }}
 
     # a job is a seq of steps
     steps: