diff --git a/pytest.ini b/pytest.ini
index bbd083a..dd405b4 100644
--- a/pytest.ini
+++ b/pytest.ini
@@ -1,2 +1,2 @@
 [pytest]
-addopts = --tb=short
+addopts = --tb=short --pep8
diff --git a/test-requirements.txt b/test-requirements.txt
index 47868bf..a10e005 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -1,3 +1,4 @@
 pytest
 pytest-capturelog
+pytest-pep8
 waitress