diff --git a/tox.ini b/tox.ini
index e75a6d1690..8e41ea335b 100644
--- a/tox.ini
+++ b/tox.ini
@@ -41,6 +41,7 @@ commands = reno new {posargs}
 commands = oslo_debug_helper {posargs}
 
 [testenv:pep8]
+skip_install = true
 deps =
   pre-commit
 allowlist_externals =