diff --git a/.github/workflows/unittests_windows.yaml b/.github/workflows/unittests_windows.yaml
index 08800c2b..dcd04f95 100644
--- a/.github/workflows/unittests_windows.yaml
+++ b/.github/workflows/unittests_windows.yaml
@@ -11,7 +11,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v3
         with:
-          python-version: '3.9'
+          python-version: '3.11'
           architecture: 'x64'
       - name: Install dependencies
         run: |