diff --git a/.github/workflows/unit_tests.yml b/.github/workflows/unit_tests.yml
index ef16891..07043b3 100644
--- a/.github/workflows/unit_tests.yml
+++ b/.github/workflows/unit_tests.yml
@@ -4,10 +4,11 @@ on: [ push ]
 
 jobs:
   build:
-    runs-on: ubuntu-latest
+    runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        python-version: [ "3.10" ]
+        os: [ ubuntu-latest, windows-latest, macos-latest ]
+        python-version: [ "3.9", "3.10", "3.11" ]
 
     steps:
       - uses: actions/checkout@v3