diff --git a/README.md b/README.md
index bfb9ba8..c80ab22 100644
--- a/README.md
+++ b/README.md
@@ -14,6 +14,9 @@ nix flake init -t github:chrisvander/dotfiles#darwin-host
 The generated `flake.nix` selects modules from `homeManagerModules` and
 language-specific toolchains and LSPs from `languageModules`.
 
+It also selects `darwinModules.homebrew`, which installs Homebrew itself. Add
+formulae and casks separately if you want them declaratively managed.
+
 Build it with the published dotfiles revision:
 
 ```sh
diff --git a/flake.lock b/flake.lock
index ab37218..7f58c76 100644
--- a/flake.lock
+++ b/flake.lock
@@ -79,7 +79,43 @@
         "home-manager": "home-manager",
         "nix-darwin": "nix-darwin",
         "nixpkgs": "nixpkgs",
-        "nixpkgs-unstable": "nixpkgs-unstable"
+        "nixpkgs-unstable": "nixpkgs-unstable",
+        "nix-homebrew": "nix-homebrew"
+      }
+    },
+    "brew-src": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1786945682,
+        "narHash": "sha256-VBESSoJccikdhxh3vp3SQeG7cZXTOulMvVkoSqNDEhs=",
+        "owner": "Homebrew",
+        "repo": "brew",
+        "rev": "5b90e281d4e0c8fbd6ca4d8358276fb305b8d0bd",
+        "type": "github"
+      },
+      "original": {
+        "owner": "Homebrew",
+        "ref": "6.0.18",
+        "repo": "brew",
+        "type": "github"
+      }
+    },
+    "nix-homebrew": {
+      "inputs": {
+        "brew-src": "brew-src"
+      },
+      "locked": {
+        "lastModified": 1787330919,
+        "narHash": "sha256-LslMncqN7uOOH5S88WZtO/EVt2HwD8ltUnfyANk+mC0=",
+        "owner": "zhaofengli",
+        "repo": "nix-homebrew",
+        "rev": "b00218e4aec0e5bf07d61a0bb13f842faa582d7b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "zhaofengli",
+        "repo": "nix-homebrew",
+        "type": "github"
       }
     }
   },
diff --git a/flake.nix b/flake.nix
index 80a564b..3457bbd 100644
--- a/flake.nix
+++ b/flake.nix
@@ -6,6 +6,7 @@
     nixpkgs-unstable.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
     nix-darwin.url = "github:nix-darwin/nix-darwin/nix-darwin-26.05";
     nix-darwin.inputs.nixpkgs.follows = "nixpkgs";
+    nix-homebrew.url = "github:zhaofengli/nix-homebrew";
     home-manager.url = "github:nix-community/home-manager/release-26.05";
     home-manager.inputs.nixpkgs.follows = "nixpkgs";
   };
@@ -17,6 +18,7 @@
         inherit (inputs)
           home-manager
           nix-darwin
+          nix-homebrew
           nixpkgs
           nixpkgs-unstable
           ;
@@ -42,6 +44,8 @@
         typescript = ./modules/languages/typescript.nix;
       };
 
+      darwinModules.homebrew = ./modules/darwin/homebrew.nix;
+
       exampleUser = {
         username = "example";
         homeDirectory = "/Users/example";
@@ -54,7 +58,7 @@
     in
     {
       lib = dotfilesLib;
-      inherit homeManagerModules languageModules;
+      inherit darwinModules homeManagerModules languageModules;
 
       checks.aarch64-darwin = {
         example =
@@ -65,6 +69,7 @@
             user = exampleUser;
             vcs = exampleVcs;
             modules = exampleModules;
+            darwinModules = [ darwinModules.homebrew ];
           }).system;
       };
 
diff --git a/lib/default.nix b/lib/default.nix
index d0b15fc..9246e1e 100644
--- a/lib/default.nix
+++ b/lib/default.nix
@@ -1,6 +1,7 @@
 {
   home-manager,
   nix-darwin,
+  nix-homebrew,
   nixpkgs,
   nixpkgs-unstable,
 }:
@@ -50,7 +51,10 @@ in
       };
     in
     nix-darwin.lib.darwinSystem {
-      specialArgs = { inherit host nixpkgs-unstable; };
+      specialArgs = {
+        inherit host nixpkgs-unstable;
+        nixHomebrew = nix-homebrew;
+      };
       modules = [
         home-manager.darwinModules.home-manager
         ../modules/darwin
diff --git a/modules/darwin/default.nix b/modules/darwin/default.nix
index 78a6699..a07f7bc 100644
--- a/modules/darwin/default.nix
+++ b/modules/darwin/default.nix
@@ -10,6 +10,16 @@
     shell = pkgs.fish;
   };
 
+  system.primaryUser = host.user.username;
+  system.defaults.menuExtraClock = {
+    Show24Hour = false;
+    ShowAMPM = true;
+    ShowDate = 2;
+    ShowDayOfMonth = false;
+    ShowDayOfWeek = true;
+    ShowSeconds = false;
+  };
+
   security.pam.services.sudo_local = {
     # Enable Touch ID authentication for sudo
     touchIdAuth = true;
diff --git a/modules/darwin/homebrew.nix b/modules/darwin/homebrew.nix
new file mode 100644
index 0000000..d7def3e
--- /dev/null
+++ b/modules/darwin/homebrew.nix
@@ -0,0 +1,9 @@
+{ host, nixHomebrew, ... }: {
+  imports = [ nixHomebrew.darwinModules.nix-homebrew ];
+
+  nix-homebrew = {
+    enable = true;
+    user = host.user.username;
+    autoMigrate = true;
+  };
+}
diff --git a/templates/darwin-host/flake.nix b/templates/darwin-host/flake.nix
index 6908d84..65300cd 100644
--- a/templates/darwin-host/flake.nix
+++ b/templates/darwin-host/flake.nix
@@ -20,6 +20,8 @@
         email = "example@example.invalid";
       };
 
+      darwinModules = with dotfiles.darwinModules; [ homebrew ];
+
       modules =
         with dotfiles.homeManagerModules;
         [