diff --git a/tox.ini b/tox.ini
index 4abe591f..30b1b3b7 100644
--- a/tox.ini
+++ b/tox.ini
@@ -48,6 +48,7 @@ commands =
 [testenv:autopep8]
 deps =
     autopep8==2.0.2
+    pycodestyle==2.10.0
 
 commands =
     bash -c 'python -m autopep8 --diff --max-line-length 120 -a -a -a -j0 -r --exit-code {env:LINTABLES}'