diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c401d1f..a70dd1c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,7 +15,7 @@ jobs:
     strategy:
       matrix:
         node-version: [12.x]
-        os: [ubuntu-latest, macOS-latest]
+        os: [ubuntu-latest, macOS-latest, windows-latest]
 
     steps:
       - uses: actions/checkout@v1