diff --git a/tox.ini b/tox.ini
index b56e4664..e1ed8385 100644
--- a/tox.ini
+++ b/tox.ini
@@ -18,6 +18,7 @@ commands =
   stestr slowest
 
 [testenv:pep8]
+skip_install = true
 deps =
   pre-commit
 commands =