diff --git a/tox.ini b/tox.ini
index 946d532..cd56e86 100644
--- a/tox.ini
+++ b/tox.ini
@@ -106,5 +106,5 @@ ignore = D203
 # NOTE(sigmavirus24): Once we release 3.0.0 this exclude option can be specified
 # across multiple lines. Presently it cannot be specified across multiple lines.
 # :-(
-exclude = .git,__pycache__,docs/source/conf.py
+exclude = .git,__pycache__,docs/source/conf.py,old,build,dist
 max-complexity = 10