diff --git a/Makefile b/Makefile
index 87670ac..57374f4 100644
--- a/Makefile
+++ b/Makefile
@@ -2,9 +2,13 @@ lint: ## format *.nix
 	nixpkgs-fmt .
 
 boot: ## evaluate flake for next boot
-	sudo nixos-rebuild boot --flake . 
+	sudo nixos-rebuild boot --flake .  --impure
 
 switch: ## perform nixos rebuild
 	sudo nixos-rebuild switch --flake . --impure
 
+store: ## run some store cleanup
+	nix store optimise
+	
+
 -include .task.cfg.mk