diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..068aa35
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,8 @@
+.PHONY: help
+help: ## Show this help.
+	@grep -E '^[a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | sort | awk 'BEGIN {FS = ":.*?## "}; {printf "\033[36m%-30s\033[0m %s\n", $$1, $$2}'
+
+.PHONY: format
+format:
+	find . -type f -name "*.hs" ! -path "./dist-newstyle/*" -exec fourmolu -i {} +
+