diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 822cb26..bab0643 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -71,6 +71,8 @@ jobs:
           } else {
             echo 'ridk is unavailable'
           }
+        } elseif ($plat.Contains('mswin')) {
+          &"$env:VCPKG_INSTALLATION_ROOT\vcpkg" list
         }
     - name: RbConfig::CONFIG
       run: ruby -rrbconfig -rpp -e 'pp RbConfig::CONFIG'