diff --git a/.github/workflows/python-wheel-build.yml b/.github/workflows/python-wheel-build.yml
index db85f3024..9cc091895 100644
--- a/.github/workflows/python-wheel-build.yml
+++ b/.github/workflows/python-wheel-build.yml
@@ -11,8 +11,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [ubuntu-20.04]
-        os: [windows-2022]
+        os: [ubuntu-20.04, windows-2022]
 
     steps:
       - uses: actions/checkout@v3