diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index ca0a08d06..6f06610b0 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -45,7 +45,10 @@ jobs:
         run: npx tsc --noEmit
 
   test:
-    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        os: [ubuntu-latest, windows-latest]
+    runs-on: ${{ matrix.os }}
     defaults:
       run:
         working-directory: fred