diff --git a/.flake8 b/.flake8
index 20512147..b5558550 100644
--- a/.flake8
+++ b/.flake8
@@ -15,7 +15,8 @@ exclude =
     __pycache__,
     tests,
     docs,
-    ./koji-*/*
+    ./koji-*/*,
+    .tox
 
 filename =
     *.py,