diff --git a/Makefile b/Makefile
index cc9e3f57..14542897 100644
--- a/Makefile
+++ b/Makefile
@@ -123,7 +123,7 @@ build: ## Build Python package
 dist: build ## builds source and wheel package
 	python -m build --sdist
 	python -m build --wheel
-	twine check dist/*
+	twine check --strict dist/*
 	ls -l dist
 
 upload-release: ## upload dist packages