diff --git a/pyproject.toml b/pyproject.toml
index 7dec861..9c92396 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -5,7 +5,12 @@ ignore-regex = "\\\\[fnrstv]"
 # ignore-words-list = ''
 
 [tool.pytest.ini_options]
+addopts = [
+    "--strict-config",
+    "--strict-markers",
+]
 markers = ["online"]
+filterwarnings = ["error"]
 
 [tool.ruff]
 select = [