diff --git a/tox.ini b/tox.ini
index 8a3829e..8a5f797 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,3 +1,3 @@
 [flake8]
 ignore = E501,F403,E226,E402,W503
-exclude = .git
+exclude = .git,__pycache__,build