diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 59ea7b3..f76c567 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -8,7 +8,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: [3.9]
+        python-version: [3.10,3.11,3.12]
         os: [ubuntu-latest, macOS-latest, windows-latest]
     steps:
       - name: checkout
diff --git a/tox.ini b/tox.ini
index 3dd2a1a..06d95c3 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py39,py310
+envlist = py310,py311,py312
 
 [testenv]
 commands = pytest tests