diff --git a/setup.cfg b/setup.cfg
index 6d1c29451..60399a147 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -2,3 +2,6 @@
 max-line-length = 120
 ignore = E402, E722
 exclude = ./migrations,./venv,./venv3,./build,./cache
+
+[tool:pytest]
+xfail_strict=true