diff --git a/setup.cfg b/setup.cfg
index e7b500e..23bf1a1 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -78,7 +78,7 @@ testpaths = tests/
 junit_family=xunit2
 asyncio_mode=auto
 timeout=15
-
+xfail_strict = true
 
 [mypy]
 strict=True