diff --git a/.github/workflows/testing.yml b/.github/workflows/testing.yml
index 10ab4728..ed841461 100644
--- a/.github/workflows/testing.yml
+++ b/.github/workflows/testing.yml
@@ -22,8 +22,8 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest]
-        python-version: ["3.10"]
+        os: [ubuntu-latest, windows-latest]  #macos-latest fails downloads, see #593
+        python-version: ["3.10", "3.11", "3.12", "3.13", "3.14"]
 
     steps:
       - uses: actions/checkout@v6