diff --git a/pyproject.toml b/pyproject.toml
index b87d73f..e0ea7f0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -35,7 +35,7 @@ test = [
     # "pytest>4.6,<5.0",
     "pytest",
     "pytest-cov>=2.2.1",
-    "pytest-pep8>=1.0.6",
+    # "pytest-pep8>=1.0.6",
     "pytest-xdist>=1.14",
     "flake8>=3.0.4",
     "pylint>=1.5.4",