diff --git a/.github/workflows/CI-tests.yml b/.github/workflows/CI-tests.yml
index 3822bf6..ddf3a20 100644
--- a/.github/workflows/CI-tests.yml
+++ b/.github/workflows/CI-tests.yml
@@ -12,18 +12,25 @@ permissions:
 jobs:
   build:
 
-    runs-on: ubuntu-latest
-
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: ['3.10', '3.11', '3.12']
+        experimental: [false]
+        os: [ubuntu-22.04]
     steps:
     - uses: actions/checkout@v4
-    - name: Set up Python 3.10
+    - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v5
       with:
-        python-version: "3.10"
-    - name: Install dependencies
+        python-version: ${{ matrix.python-version }}
+        cache: 'pip'
+    - name: Tox environment
       run: |
-        python -m pip install --upgrade pip
+        pip install --upgrade pip
         pip install tox
+        tox -e py --notest
     - name: Test with tox
       run: |
         tox -m test
diff --git a/setup.cfg b/setup.cfg
index afd3454..3291031 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,6 +1,6 @@
 [metadata]
 name = aerovaldb
-version = 0.0.18.dev0
+version = 0.0.19
 author = Augustin Mortier, Thorbjørn Lundin, Heiko Klein
 author_email = Heiko.Klein@met.no
 description = aeroval database to communicate between pyaerocom and aeroval
@@ -22,7 +22,7 @@ url = https://github.com/metno/aerovaldb
 
 
 [options]
-python_version = >=3.9
+python_version = >=3.10
 install_requires =
     importlib-metadata >= 3.6; python_version < "3.10"
     simplejson
@@ -54,6 +54,11 @@ min_version = 4.0
 env_list =
     mpy
     py310
+    py311
+    py312
+skip_missing_interpreters = True
+isolated_build = True
+requires =
 depends =
 
 [testenv]