diff --git a/tox.ini b/tox.ini
index a024e161..9c143c54 100644
--- a/tox.ini
+++ b/tox.ini
@@ -21,6 +21,7 @@ commands =
   pifpaf -e OSLO_CACHE_TEST run {env:PIFPAF_DAEMON} {env:PIFPAF_OPTS} -- stestr run --slowest
 
 [testenv:pep8]
+skip_install = true
 deps =
   pre-commit
 commands =