diff --git a/modules/shell.nix b/modules/shell.nix
index e11c81e..07fa1b6 100644
--- a/modules/shell.nix
+++ b/modules/shell.nix
@@ -2,4 +2,8 @@
   programs.zsh.enable = true;
   programs.zsh.ohMyZsh.enable = true;
   programs.zsh.ohMyZsh.theme = "agnoster";
+
+  environment.shellAliases = {
+    os-update = "sudo nixos-rebuild switch --flake '/home/rhea/nix-config'"
+  }
 }