diff --git a/Makefile b/Makefile
index 32198730f..1fbd7403c 100644
--- a/Makefile
+++ b/Makefile
@@ -20,7 +20,7 @@ coverage:
 
 tests:
 	@make install_backend
-	poetry run pytest tests -n auto
+	poetry run pytest tests
 
 format:
 	poetry run black .