diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 3755c3a..9f05567 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -6,10 +6,11 @@ on:
 
 jobs:
   test:
-    runs-on: ubuntu-latest
+    runs-on: ${{ matrix.os }}
     strategy:
       matrix:
         python-version: [3.6, 3.7, 3.8, 3.9]
+        os: [ubuntu-latest, macos-latest, windows-latest]
     steps:
     - uses: actions/checkout@v2
     - name: Set up Python ${{ matrix.python-version }}