diff --git a/.gitignore b/.gitignore
index 237a7ee..e54288e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,4 @@
+.tox/
+
 dist/
 leap_year.egg-info/
diff --git a/tox.ini b/tox.ini
new file mode 100644
index 0000000..e0a9e3a
--- /dev/null
+++ b/tox.ini
@@ -0,0 +1,7 @@
+[tox]
+envlist = flake8
+
+
+[testenv:flake8]
+deps = flake8
+commands = flake8