diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b2979dc..e5ee857 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -29,12 +29,13 @@ jobs:
         run: ruff format --check .
 
   test:
-    runs-on: ubuntu-latest
-    name: Tests (py${{ matrix.python }})
+    runs-on: ${{ matrix.os }}
+    name: Tests (py${{ matrix.python }} / ${{ matrix.os }})
     strategy:
       fail-fast: false
       matrix:
-        python: ["3.10", "3.12"]
+        os: [ubuntu-latest, windows-latest]
+        python: ["3.10", "3.12", "3.13"]
     steps:
       - name: Checkout
         uses: actions/checkout@v4