diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 08ce3139..7c7731c1 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -64,8 +64,12 @@ jobs:
           python-version: '3.7'
           use-conda: 'Yes'
           pyqt5-version: '5.9'  # Test lower bound
-          pyqt6-version: '6.2'  # Test lower bound
           skip-pyside6: true  # Test hangs
+        - os: windows-latest
+          python-version: '3.7'
+          use-conda: 'No'
+          pyqt6-version: 6.2  # Test lower bound
+          pyside6-version: 6.2  # Test lower bound
         - os: windows-latest
           python-version: '3.11'
           use-conda: 'Yes'
@@ -73,7 +77,8 @@ jobs:
         - os: macos-latest
           python-version: '3.7'
           use-conda: 'No'
-          skip-pyside6: true  # pytest-qt crashes on pytest startup under this environment
+          pyqt6-version: 6.4  # Test upper bound
+          pyside2-version: 5.15  # Test upper bound
     steps:
       - name: Checkout branch
         uses: actions/checkout@v3