diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 706dfb8..f919b32 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -27,9 +27,24 @@ jobs:
           - "3.12"
         os:
           - ubuntu-latest
+          - windows-latest
+          - macos-latest
         extension:
           - "skip_cython"
           - "use_cython"
+        exclude:
+          - python-version: "3.9"
+            os: windows-latest
+          - python-version: "3.10"
+            os: windows-latest
+          - python-version: "3.11"
+            os: windows-latest
+          - python-version: "3.9"
+            os: macos-latest
+          - python-version: "3.10"
+            os: macos-latest
+          - python-version: "3.11"
+            os: macos-latest
     steps:
       - uses: actions/checkout@v4
       - name: Set up Python