diff --git a/tox.ini b/tox.ini
new file mode 100644
index 0000000..99f1452
--- /dev/null
+++ b/tox.ini
@@ -0,0 +1,20 @@
+[tox]
+requires =
+    tox>=4.26
+    tox-uv>=1
+env_list =
+    py39
+    py310
+    py311
+    py312
+    py313
+    py314
+    py315
+skip_missing_interpreters = true
+
+[testenv]
+runner = uv-venv-lock-runner
+dependency_groups =
+    dev
+commands =
+    pytest {posargs}