diff --git a/darwin.sh b/darwin.sh
new file mode 100644
index 0000000..0bd50b0
--- /dev/null
+++ b/darwin.sh
@@ -0,0 +1,22 @@
+#!/usr/bin/env bash
+
+set -ex
+set -o pipefail
+
+dir="$(mktemp -d)"
+cd "${dir}"
+
+# Install nix-darwin
+nix-build https://github.com/LnL7/nix-darwin/archive/master.tar.gz -A installer
+./result/bin/darwin-installer
+
+# Get my configuration
+mkdir -p ~/.config/darwin
+cd ~/.config/darwin
+curl -O -L https://github.com/greg-hellings/nixos-config/archive/refs/heads/main.tar.gz
+tar xvzf main.tar.gz --strip-components 1
+
+# Build NixOS for this system
+cd "${dir}"
+nix build "~/.config/darwin#darwinConfigurations.$(hostname -s).system"
+./result/sw/bin/darwin-rebuild switch --flake ~/.config/darwin
diff --git a/flake.lock b/flake.lock
index 0daae6c..adf2236 100644
--- a/flake.lock
+++ b/flake.lock
@@ -110,16 +110,16 @@
         ]
       },
       "locked": {
-        "lastModified": 1667907331,
-        "narHash": "sha256-bHkAwkYlBjkupPUFcQjimNS8gxWSWjOTevEuwdnp5m0=",
+        "lastModified": 1683543852,
+        "narHash": "sha256-aS9qNcg9GwSYFLCWa3Lw+2nVPG11mmQ3B7Oka1hh04M=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "6639e3a837fc5deb6f99554072789724997bc8e5",
+        "rev": "3f3fa731ad0f99741d4dc98e8e1287b45e30b452",
         "type": "github"
       },
       "original": {
         "owner": "nix-community",
-        "ref": "release-22.05",
+        "ref": "master",
         "repo": "home-manager",
         "type": "github"
       }
diff --git a/flake.nix b/flake.nix
index 32928a2..2839629 100644
--- a/flake.nix
+++ b/flake.nix
@@ -10,7 +10,7 @@
 		agenix.url = "github:ryantm/agenix";
 		flake-utils.url = "github:numtide/flake-utils";
 		home-manager = {
-			url = "github:nix-community/home-manager/release-22.05";
+			url = "github:nix-community/home-manager/master";
 			inputs.nixpkgs.follows = "stable";
 		};
 		darwin = {
@@ -72,6 +72,26 @@
 			};
 		};
 
+		mac = {
+			system ? "aarch64-darwin",
+			name,
+			channel ? unstable,
+			extraMods ? []
+		}:
+		let
+			nixpkgs = channel;
+		in inputs.darwin.lib.darwinSystem {
+			inherit system;
+			specialArgs = { inherit nixpkgs; };
+			modules = [
+				{ nixpkgs.overlays = overlays; }
+				inputs.agenix.nixosModule
+				./modules-all
+				./modules-darwin
+				./hosts/${name}
+			] ++ extraMods;
+		};
+
 	in {
 		nixosConfigurations = {
 			"2maccabees" = unstable { system = "aarch64-linux"; name = "2maccabees"; };
@@ -107,6 +127,7 @@
 					./hosts/work
 				];
 			};
+			la23002 = mac { name = "ivr"; };
 		};
 
 		defaultPackage = flake-utils.lib.eachDefaultSystemMap (system: inputs.self.homeConfigurations.gui."${system}".activationPackage);
diff --git a/home/default.nix b/home/default.nix
index 06417d3..31b6222 100644
--- a/home/default.nix
+++ b/home/default.nix
@@ -21,7 +21,9 @@ let
 		username
 	}:
 		let
+			stateVersion = "22.05";
 			homeDirectory = home system username;
+			cfg = { home = { inherit username homeDirectory stateVersion; }; };
 
 			configDir = "${homeDirectory}/.config";
 
@@ -32,12 +34,14 @@ let
 			};
 
 		in home-manager.lib.homeManagerConfiguration rec {
-			inherit pkgs system username homeDirectory;
-			stateVersion = "22.05";
-			configuration = import ./home.nix {
-				inherit pkgs gui gnome;
-				inherit (pkgs) config lib stdenv;
-			};
+			inherit pkgs;
+			modules = [
+				(import ./home.nix {
+					inherit pkgs gui gnome;
+					inherit (pkgs) config lib stdenv;
+				})
+				cfg
+			];
 		};
 
 in flake-utils.lib.eachDefaultSystem (system: {
diff --git a/home/gui/firefox.nix b/home/gui/firefox.nix
index 85e3abf..a1ccc64 100644
--- a/home/gui/firefox.nix
+++ b/home/gui/firefox.nix
@@ -15,27 +15,29 @@ in with lib;
 	programs.firefox = {
 		enable = (! pkgs.stdenv.hostPlatform.isDarwin);
 		package = ffPkgs;
-		extensions = with pkgs.nur.repos.rycee.firefox-addons; [
-			bitwarden
-			bypass-paywalls-clean
-			foxyproxy-standard
-			multi-account-containers
-			plasma-integration
-			octotree
-			refined-github
-			tree-style-tab
-			ublock-origin
-			unpaywall
-		];
 		profiles = {
-			default.settings = {
-				"app.update.auto" = false;
-				"browser.ctrlTab.sortByRecentlyUsed" = true;
-				"browser.startup.page" = 3;
-				"browser.startup.homepage" = "https://thehellings.com";
-				"doh-rollout.doorhanger-decision" = "UIDisabled";
-				"doh-rollout.doneFirstRun" = true;
-				"signon.rememberSignons" = false;
+			default = {
+				settings = {
+					"app.update.auto" = false;
+					"browser.ctrlTab.sortByRecentlyUsed" = true;
+					"browser.startup.page" = 3;
+					"browser.startup.homepage" = "https://thehellings.com";
+					"doh-rollout.doorhanger-decision" = "UIDisabled";
+					"doh-rollout.doneFirstRun" = true;
+					"signon.rememberSignons" = false;
+				};
+				extensions = with pkgs.nur.repos.rycee.firefox-addons; [
+					bitwarden
+					bypass-paywalls-clean
+					foxyproxy-standard
+					multi-account-containers
+					plasma-integration
+					octotree
+					refined-github
+					tree-style-tab
+					ublock-origin
+					unpaywall
+				];
 			};
 		};
 	};
diff --git a/home/xonsh_footer.xsh b/home/xonsh_footer.xsh
index e91d2ba..daed89b 100644
--- a/home/xonsh_footer.xsh
+++ b/home/xonsh_footer.xsh
@@ -6,7 +6,7 @@ def _rebuild(args):
     import os
     system = os.uname()
     if system.sysname == 'Darwin':
-        darwin-rebuild --flake ~/.config/nix switch
+        darwin-rebuild --flake ~/.config/darwin switch
     else:
         sudo nixos-rebuild switch
 
diff --git a/hosts/ivr/default.nix b/hosts/ivr/default.nix
new file mode 100644
index 0000000..0ec2a68
--- /dev/null
+++ b/hosts/ivr/default.nix
@@ -0,0 +1,5 @@
+{ pkgs, ... }:
+{
+	environment.systemPackages = with pkgs; [
+	];
+}
diff --git a/overlays/default.nix b/overlays/default.nix
index 85bf0f7..ce5becf 100644
--- a/overlays/default.nix
+++ b/overlays/default.nix
@@ -80,7 +80,7 @@ in rec {
 		xonsh-direnv = cp ./xonsh-direnv.nix {};
 	};
 
-	fcitx-engines = self.fcitx5;
+	#fcitx-engines = if ! super.stdenv.isDarwin then super.fcitx5 else super.fcitx-engines;
 
 	enwiki-dump = super.callPackage ./enwiki-dump.nix {};
 	hms = super.callPackage ./hms.nix {
diff --git a/overlays/hms.sh b/overlays/hms.sh
index 1c08bcd..ac7c6f2 100644
--- a/overlays/hms.sh
+++ b/overlays/hms.sh
@@ -5,8 +5,11 @@ set -eo pipefail
 arch="$(uname -m)"
 if [ "$(uname -s)" == "Darwin" ]; then
 	# On macOS
-	src="${HOME}/.config/nix/"
+	src="${HOME}/.config/darwin/"
 	flavor="gui"
+	if [ "${arch}" == "arm64" ]; then
+		arch=aarch64
+	fi
 	arch="${arch}-darwin"
 elif [ x"${WSL_DISTRO_NAME}" != "x" ]; then
 	src=/etc/nixos
@@ -31,17 +34,3 @@ nix build "${src}#homeConfigurations.${flavor}.${arch}.activationPackage"
 ./result/activate
 popd > /dev/null
 rm -r "${dest}"
-
-if [ "$(uname -s)" == "Darwin" ]; then
-	cd ~/.nix-profile/Applications
-	for app in *.app; do
-		echo "Updating permissions on '${app}'"
-		mkdir -p "${HOME}/Applications/${app}"
-		chmod -R u+w "${HOME}/Applications/${app}" || true
-		echo "Copying new version to Applications"
-		rsync -rptgoDv "${app}/" "${HOME}/Applications/${app}/" 2>&1 > /dev/null || true
-		if [ "$?" != "0" ]; then
-			echo "An error occurred, proceeding anyway"
-		fi
-	done
-fi