diff --git a/.github/workflows/test-package.yml b/.github/workflows/test-package.yml
index 074b428..487e0ec 100644
--- a/.github/workflows/test-package.yml
+++ b/.github/workflows/test-package.yml
@@ -56,7 +56,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ ubuntu-latest, macos-latest ]
+        os: [ ubuntu-latest, macos-latest, windows ]
         sdk: [ 2.12.0, dev ]
     steps:
     - uses: dart-lang/setup-dart@v1.0