diff --git a/pyproject.toml b/pyproject.toml
index 4c3e7ae..cd19754 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -10,3 +10,8 @@ exclude = '''
  | lib
  )/
 '''
+
+[tool.pytest.ini_options]
+filterwarnings = [
+    "error",
+]