diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 0ad38c24..c1fc2648 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -13,9 +13,13 @@ jobs:
     needs: ruby-versions
     name: test (${{ matrix.ruby }} / ${{ matrix.os }})
     strategy:
+      fail-fast: false
       matrix:
         ruby: ${{ fromJson(needs.ruby-versions.outputs.versions) }}
-        os: [ ubuntu-latest, macos-latest ]
+        os: [ ubuntu-latest, macos-latest, windows-latest ]
+        include:
+          - { os: windows-latest, ruby: mswin }
+          - { os: windows-latest, ruby: ucrt  }
     runs-on: ${{ matrix.os }}
     steps:
     - uses: actions/checkout@v4