diff --git a/.gitignore b/.gitignore
index 638d0d3b8d..a271298f41 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,6 +2,7 @@
 *.sw?
 *~
 *.pyc
+.cache/
 .tox/
 .test/
 /.project
diff --git a/tox.ini b/tox.ini
index 85418a62a5..dce24df60b 100644
--- a/tox.ini
+++ b/tox.ini
@@ -66,7 +66,7 @@ commands =
 
 [flake8]
 show-source = True
-exclude = .tox,.test
+exclude = .tox,.test,.cache
 # These are ignored intentionally in openstack-infra projects;
 # please don't submit patches that solely correct them or enable them.
 ignore = E125,E129,E402,H,W503