diff --git a/makefile b/makefile
index 62180c4..59638aa 100644
--- a/makefile
+++ b/makefile
@@ -1,6 +1,11 @@
 all:
 	doas nixos-rebuild switch --flake .#$${HOSTNAME_SHORT}
 
+update:
+	nix flake lock --update-input nixpkgs
+	nix flake lock --update-input nixos-hardware
+	nix flake lock --update-input home-manager
+
 vm:
 	doas nixos-rebuild switch --flake .#vm2 && result/bin/run-*-vm