diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e9ac1c2..db5f9ff 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -40,8 +40,15 @@ jobs:
 
   test:
     timeout-minutes: 20
-    runs-on: ubuntu-latest
-    name: 'Test: node-24, ubuntu-latest'
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os:
+          - ubuntu-latest
+          - macos-latest
+          - windows-latest
+      fail-fast: false
+    name: 'Test: node-24, ${{ matrix.os }}'
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
         with: