diff --git a/Makefile b/Makefile
index a92089a..54ffe5b 100644
--- a/Makefile
+++ b/Makefile
@@ -8,8 +8,9 @@ help: ## Display this help message
 
 .PHONY: install
 install: ## Install package
-	pip install .
+	poetry install
+	poetry shell
 
 .PHONY: tests
 tests: ## Run unit tests
-	pytest -vvv tests
+	python -m pytest -vvv tests