diff --git a/Makefile b/Makefile
index cb25967..c2b5b5f 100644
--- a/Makefile
+++ b/Makefile
@@ -11,14 +11,14 @@ endef
 all: reformat tests lint
 
 
-.PHONY: build
-build: clean
+.PHONY: package
+package: clean
 	$(call colorecho, "\n Building package distributions...")
-	python setup.py sdist bdist_wheel
+	python -m build .
 
 
 .PHONY: publish
-publish: build
+publish: package
 	twine upload dist/*
 
 
diff --git a/pyproject.toml b/pyproject.toml
index c4a0e41..218734c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -9,7 +9,7 @@ authors = [
     {name = "Mariusz Kupidura"},
 ]
 dynamic = ["version"]
-requires-python = ">= 3.6"
+requires-python = ">= 3.8"
 readme = "README.md"
 license = {file = "LICENSE"}
 classifiers=[