diff --git a/tox.ini b/tox.ini
new file mode 100644
index 0000000..4439063
--- /dev/null
+++ b/tox.ini
@@ -0,0 +1,12 @@
+[tox]
+envlist = py36, py37
+requires = tox-pyo3
+
+[testenv]
+pyo3 = True
+deps =
+    pytest
+commands =
+    pytest -vvvv
+
+skip_install = True