diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index fa23d013..85c8e75b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -30,11 +30,12 @@ jobs:
         run: npm run lint
 
   test:
-    name: Test - Node.js ${{ matrix.node-version }}
-    runs-on: ubuntu-latest
+    name: Test - ${{ matrix.os }} / Node.js ${{ matrix.node-version }}
+    runs-on: ${{ matrix.os }}
     strategy:
       fail-fast: false
       matrix:
+        os: [ubuntu-latest, windows-latest, macos-latest]
         node-version: [18.0.0, 18, 19, 20, 21, 22, 23, 24, 25, 26]
 
     steps:
@@ -54,7 +55,7 @@ jobs:
       - name: Upload code coverage
         uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
         with:
-          name: coverage-node-${{ matrix.node-version }}
+          name: coverage-node-${{ matrix.os }}-${{ matrix.node-version }}
           path: ./coverage/lcov.info
           retention-days: 1