diff --git a/.github/workflows/lint-and-test.yaml b/.github/workflows/lint-and-test.yaml
index e16a0d8..91c85a6 100644
--- a/.github/workflows/lint-and-test.yaml
+++ b/.github/workflows/lint-and-test.yaml
@@ -28,7 +28,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [ '3.x', '3.9' ]
+        python-version: [ '3.x', '3.11' ]
     name: Test python ${{ matrix.python-version }}
     steps:
       - name: Checkout