diff --git a/config/zsh/aliases.zsh b/config/zsh/aliases.zsh
index ba2b35bc..73e50eb0 100644
--- a/config/zsh/aliases.zsh
+++ b/config/zsh/aliases.zsh
@@ -44,8 +44,9 @@ alias ssc='sudo systemctl'
 alias nix-env='NIXPKGS_ALLOW_UNFREE=1 nix-env'
 alias ne=nix-env
 alias nc=nix-channel
-alias ngc=nix-garbage-collect
-alias nre=nixos-rebuild
+alias ngc='nix-collect-garbage -d'
+alias nre='sudo nixos-rebuild'
+alias nup='sudo nix-channel --update && nre'
 
 autoload -U zmv