diff --git a/python-itsdangerous.spec b/python-itsdangerous.spec
index bb125ba..80f779c 100644
--- a/python-itsdangerous.spec
+++ b/python-itsdangerous.spec
@@ -48,7 +48,7 @@ BuildRequires:  python3dist(freezegun)
 
 
 %check
-%pytest
+%pytest -Wdefault
 
 
 %files -n python3-%{srcname} -f %{pyproject_files}