diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index b7f6aa4..1362c3d 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -7,6 +7,7 @@ jobs:
       fail-fast: false
       matrix:
         node: [16, 18, 20]
+        os: [ubuntu-latest, macos-latest, windows-latest]
 
     runs-on: ubuntu-latest
     steps: