diff --git a/tox.ini b/tox.ini
index 1c97d84a..463a33f3 100644
--- a/tox.ini
+++ b/tox.ini
@@ -16,6 +16,7 @@ deps =
 commands = stestr run --slowest --concurrency=1 {posargs}
 
 [testenv:pep8]
+skip_install = true
 deps =
   pre-commit
 commands =