diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 2348416..0d35fe5 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -21,6 +21,7 @@ jobs:
         - { os: windows-2019, ruby: mingw }
         - { os: windows-2019, ruby: mswin }
         - { os: windows-2022, ruby: mingw }
+        - { os: windows-2022, ruby: mswin }
         - { os: windows-2022, ruby: ucrt  }
         exclude:
         - { os: windows-2019, ruby: 1.9 }