diff --git a/setup.cfg b/setup.cfg
index b16f381..db0a35f 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -47,7 +47,7 @@ testing =
 	pytest-checkdocs >= 1.2.3
 	pytest-cov
 	pytest-enabler >= 1.0.1
-	pytest-ruff
+	pytest-ruff != 0.3
 
 	# local
 	ecdsa