diff --git a/flake.lock b/flake.lock
index cb902fe..7bd8ff2 100644
--- a/flake.lock
+++ b/flake.lock
@@ -1,5 +1,26 @@
 {
   "nodes": {
+    "nix-darwin": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1690247892,
+        "narHash": "sha256-WMGc1yq1cqRd+kzjWgbvHxckJIe8VQfiZ5RfR8tgABw=",
+        "owner": "lnl7",
+        "repo": "nix-darwin",
+        "rev": "efd35d99ce412335c478dff9da9a4256bbd39757",
+        "type": "github"
+      },
+      "original": {
+        "owner": "lnl7",
+        "ref": "master",
+        "repo": "nix-darwin",
+        "type": "github"
+      }
+    },
     "nixpkgs": {
       "locked": {
         "lastModified": 1687573514,
@@ -34,6 +55,7 @@
     },
     "root": {
       "inputs": {
+        "nix-darwin": "nix-darwin",
         "nixpkgs": "nixpkgs",
         "sops-nix": "sops-nix",
         "unstable": "unstable"
diff --git a/flake.nix b/flake.nix
index de3aa77..5d3000d 100644
--- a/flake.nix
+++ b/flake.nix
@@ -4,14 +4,15 @@
   inputs = {
     nixpkgs.url = "github:NixOS/nixpkgs/nixos-23.05-small";
     unstable.url = "github:NixOS/nixpkgs/nixos-unstable-small";
+    nix-darwin.url = "github:lnl7/nix-darwin/master";
+    nix-darwin.inputs.nixpkgs.follows = "nixpkgs";
 
     sops-nix.url = "github:Mic92/sops-nix";
     sops-nix.inputs.nixpkgs.follows = "nixpkgs";
   };
 
-  outputs = { self, nixpkgs, unstable, sops-nix, ... }@inputs:
+  outputs = { self, nixpkgs, unstable, nix-darwin, sops-nix, ... }@inputs:
     let
-      system = "x86_64-linux";
       overlay-unstable = final: prev: {
         unstable = unstable.legacyPackages.${prev.system};
       };
@@ -19,7 +20,7 @@
     {
       nixosConfigurations = {
         voyager = nixpkgs.lib.nixosSystem {
-          inherit system;
+          system = "x86_64-linux";
           specialArgs = {
             inherit inputs;
           };
@@ -32,7 +33,7 @@
           ];
         };
         chapel = nixpkgs.lib.nixosSystem {
-          inherit system;
+          system = "x86_64-linux";
           specialArgs = {
             inherit inputs;
           };
@@ -42,7 +43,7 @@
           ];
         };
         redshirt = nixpkgs.lib.nixosSystem {
-          inherit system;
+          system = "x86_64-linux";
           specialArgs = {
             inherit inputs;
           };
@@ -54,6 +55,18 @@
         };
       };
 
+      darwinConfigurations.worf = nix-darwin.lib.darwinSystem {
+        system = "aarch64-darwin";
+        specialArgs = {
+          inherit inputs;
+        };
+        modules = [
+          ./hosts/worf/configuration.nix
+          # ({ config, pkgs, ... }: { nixpkgs.overlays = [ overlay-unstable ]; })
+          # sops-nix.nixosModules.sops
+        ];
+      };
+
       devShells.x86_64-linux = {
         default = nixpkgs.legacyPackages.x86_64-linux.callPackage ./shell.nix { };
       };
diff --git a/hosts/worf/configuration.nix b/hosts/worf/configuration.nix
new file mode 100644
index 0000000..c7deff5
--- /dev/null
+++ b/hosts/worf/configuration.nix
@@ -0,0 +1,13 @@
+{ pkgs, ... }:
+{
+  # List packages installed in system profile. To search by name, run:
+  # $ nix-env -qaP | grep wget
+  environment.systemPackages = [
+    pkgs.neovim
+    pkgs.iterm2
+  ];
+
+  # Auto upgrade nix package and the daemon service.
+  services.nix-daemon.enable = true;
+  nix.package = pkgs.nix;
+}