diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..0c94469
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,2 @@
+pathspec >= 0.5.3
+pyyaml
diff --git a/tests/requirements.txt b/tests/requirements.txt
new file mode 100644
index 0000000..498a0bc
--- /dev/null
+++ b/tests/requirements.txt
@@ -0,0 +1,2 @@
+flake8
+doc8
diff --git a/tox.ini b/tox.ini
new file mode 100644
index 0000000..d586667
--- /dev/null
+++ b/tox.ini
@@ -0,0 +1,18 @@
+[tox]
+envlist = py27, py34, py35, py36, py37, py38
+
+[testenv]
+deps =
+    -r {toxinidir}/requirements.txt
+    -r {toxinidir}/tests/requirements.txt
+
+setenv =
+    PATH = {toxworkdir}/bin{:}{env:PATH}
+
+commands =
+    flake8 .
+    /bin/sh -c 'doc8 `git ls-files *.rst`'
+    /bin/sh -c 'yamllint --strict `git ls-files *.yaml *.yml`'
+    python setup.py test
+
+# vim:sw=4:ts=4:et: