diff --git a/CONTRIBUTING.rst b/CONTRIBUTING.rst
index 893eb130..ca9fdba2 100644
--- a/CONTRIBUTING.rst
+++ b/CONTRIBUTING.rst
@@ -219,9 +219,9 @@ This will perform the following actions:
 2. Bump the current version to the next release candidate, ``X.Y.Z.dev(N+1)``
 
 After this is done, the new pre-release can be installed by including the ``dev`` section in the
-dependency specification, either in ``setup.py``::
+dependency specification, either in ``pyproject.toml``::
 
-    install_requires = [
+    dependencies = [
         ...
         'ctgan>=X.Y.Z.dev',
         ...
diff --git a/Makefile b/Makefile
index ea6a8132..668fabf8 100644
--- a/Makefile
+++ b/Makefile
@@ -76,16 +76,9 @@ install-test: clean-build clean-pyc ## install the package and test dependencies
 install-develop: clean-build clean-pyc ## install the package in editable mode and dependencies for development
 	pip install -e .[dev]
 
-MINIMUM := $(shell sed -n '/install_requires = \[/,/]/p' setup.py | head -n-1 | tail -n+2 | sed 's/ *\(.*\),$?$$/\1/g' | tr '>' '=')
-
-.PHONY: install-minimum
-install-minimum: ## install the minimum supported versions of the package dependencies
-	pip install $(MINIMUM)
-
 
 # LINT TARGETS
 
-
 .PHONY: lint
 lint: ## check style with flake8 and isort
 	invoke lint
@@ -138,8 +131,7 @@ coverage: ## check code coverage quickly with the default Python
 
 .PHONY: dist
 dist: clean ## builds source and wheel package
-	python setup.py sdist
-	python setup.py bdist_wheel
+	python -m build --wheel --sdist
 	ls -l dist
 
 .PHONY: publish-confirm