diff --git a/pyproject.toml b/pyproject.toml
index 93ab2f4..4bc18b8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -65,6 +65,8 @@ skip_install = true
 commands =
   poetry install
   poetry run black --check --diff toml_sort tests
+  poetry run docformatter --check --recursive toml_sort tests
+  poetry run isort --check toml_sort tests
   poetry run mypy toml_sort
   poetry run pylint toml_sort tests
   poetry run pytest -vv