diff --git a/.github/workflows/pythonapp.yml b/.github/workflows/pythonapp.yml
index 9acb14c6..4f6bbc0b 100644
--- a/.github/workflows/pythonapp.yml
+++ b/.github/workflows/pythonapp.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [macos-latest, ubuntu-latest]
+        os: [macos-latest, ubuntu-latest, windows-latest]
         python-version: [3.6, 3.7, 3.8]
 
     steps: