diff --git a/Makefile b/Makefile
index 1fbd7403c..685dae466 100644
--- a/Makefile
+++ b/Makefile
@@ -28,6 +28,7 @@ format:
 	cd src/frontend && npm run format
 
 lint:
+	make install_backend
 	poetry run mypy src/backend/langflow
 	poetry run black . --check
 	poetry run ruff . --fix