diff --git a/.github/workflows/pytest.yml b/.github/workflows/pytest.yml
index 5ac93ad..7335ab0 100644
--- a/.github/workflows/pytest.yml
+++ b/.github/workflows/pytest.yml
@@ -9,12 +9,12 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [ubuntu-20.04]
+        os: [ubuntu-24.04, ubuntu-22.04, ubuntu-20.04]
         python-version: ['3.11', '3.10', '3.9', '3.8', '3.7'] # , '3.6'] <- 3.6 needs setup.cfg
-        gdal-version: ['3.4'] #, '3.6']  TODO: gdal 3.6 is still unstable.
+        gdal-version: ['3.4', '3.6']  # TODO: gdal 3.6 is still unstable.
         exclude:
           - os: ubuntu-22.04
-            python-version: '3.6'
+            gdal-version: '3.4'
           - os: ubuntu-20.04
             python-version: '3.11'
           - os: ubuntu-20.04