diff --git a/flake.nix b/flake.nix
index 3480564..6f27dc2 100644
--- a/flake.nix
+++ b/flake.nix
@@ -8,14 +8,21 @@
       url = "github:nix-community/home-manager";
       inputs.nixpkgs.follows = "nixpkgs";
     };
+
+    alejandra = {
+      url = "github:kamadorueda/alejandra/3.0.0";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
   };
 
-  outputs = { nixpkgs, home-manager, ... }: {
+  outputs = { nixpkgs, home-manager, ... }@inputs: {
     homeConfigurations."marley" = let
       system = "x86_64-linux";
       pkgs = nixpkgs.legacyPackages.${system};
     in home-manager.lib.homeManagerConfiguration {
+      inherit system;
       inherit pkgs;
+      inherit inputs;
 
       modules = [ ./home ];
     };
diff --git a/home/default.nix b/home/default.nix
index 58d850b..6a18ab1 100644
--- a/home/default.nix
+++ b/home/default.nix
@@ -1,4 +1,4 @@
-{ config, pkgs, ... }:
+{ system, pkgs, inputs, ... }:
 {
   home.username = "marley";
   home.homeDirectory = "/home/marley";
@@ -9,6 +9,10 @@
   # Enable flakes.
   nix.settings.experimental-features = [ "nix-command" "flakes" ];
 
+  home.packages = [
+    inputs.alejandra.defaultPackage.${system}
+  ];
+
   # This value determines the Home Manager release that your configuration is
   # compatible with. This helps avoid breakage when a new Home Manager release
   # introduces backwards incompatible changes.