diff --git a/setup.cfg b/setup.cfg
index 2e10349..72c4b4e 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -5,3 +5,7 @@ versionfile_source = partd/_version.py
 versionfile_build = partd/_version.py
 tag_prefix =
 parentdir_prefix = partd-
+
+[tool:pytest]
+addopts = --strict-markers --strict-config
+filterwarnings = error