diff --git a/tox.ini b/tox.ini
index 897601b..c7ee30d 100644
--- a/tox.ini
+++ b/tox.ini
@@ -13,7 +13,8 @@ deps =
     pytest-cov
     flake8 < 5.0.0
     importlib-metadata < 5.0
-    pytest-flake8
+    # workaround for tholo/pytest-flake8#87
+    pytest-flake8; python_version < "3.12"
     pytest-mypy
     types-mock
 #    ipython