diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index f1419f0..5e4737d 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -6,7 +6,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [macos-latest, ubuntu-latest]
+        os: [macos-latest, ubuntu-latest, windows-latest]
     steps:
     - name: Checkout sources
       uses: actions/checkout@v4
diff --git a/irp/tests/IrpTransmogrifier b/irp/tests/IrpTransmogrifier
index 35f37bb..977c2b4 160000
--- a/irp/tests/IrpTransmogrifier
+++ b/irp/tests/IrpTransmogrifier
@@ -1 +1 @@
-Subproject commit 35f37bbcfd55ada55eab69ba5cfe6f26bf194e74
+Subproject commit 977c2b4c1f576b3cf35436062562ace02978f2cf