diff --git a/tox.ini b/tox.ini
index 3e3fcbf2e..b037df0b8 100644
--- a/tox.ini
+++ b/tox.ini
@@ -9,7 +9,7 @@ deps =
   py39-mypy: mypy >= 0.900
 commands =
         py39-lint: flake8 src doc data tests --ignore E402,E501,E203,W503 --exclude src/vendor
-        py39-invalidcode: flake8 src data --exclude src/tests,src/vendor --select F,E722,W605
-        py39-black-check: black --check --diff src doc data tests
-        py39-black-run: black src doc data tests
+        py39-invalidcode: flake8 src bin maintenance --exclude src/tests,src/vendor --select F,E722,W605
+        py39-black-check: black --check --diff bin src doc maintenance tests
+        py39-black-run: bin src doc maintenance tests
         py39-mypy: mypy  --ignore-missing-import --install-types --non-interactive --follow-imports silent src/ --exclude (acme_tiny|migrations)