diff --git a/Makefile b/Makefile
index edfff15..3a2516e 100644
--- a/Makefile
+++ b/Makefile
@@ -54,8 +54,9 @@ docs: ## generate Sphinx HTML documentation, including API docs
 	$(BROWSER) docs/_build/html/index.html
 
 release: clean ## package and upload a release
-	python setup.py sdist upload
-	python setup.py bdist_wheel upload
+	python setup.py sdist
+	python setup.py bdist_wheel
+	twine upload dist/*
 
 sdist: clean ## package
 	python setup.py sdist
diff --git a/requirements_dev.txt b/requirements_dev.txt
index 85aa64f..7cd64b8 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -2,3 +2,4 @@
 
 bumpversion==0.5.3
 wheel==0.30.0
+twine==3.1.0