diff --git a/flake.lock b/flake.lock
index 900679f..213930b 100644
--- a/flake.lock
+++ b/flake.lock
@@ -152,11 +152,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1687431792,
-        "narHash": "sha256-ba5d/XlxQrgNrYeYhriX3FISBMVBF+nKVBMLE0/OC0Q=",
+        "lastModified": 1687598357,
+        "narHash": "sha256-70ciIe8415oQnQypawaqocEaLJcI1XtkqRNmle8vsrg=",
         "owner": "nix-community",
         "repo": "disko",
-        "rev": "637d87df3fd265a1d1669d897ad9436a87fc5ad8",
+        "rev": "1e7098ee0448dc5d33df394d040f454cd42a809c",
         "type": "github"
       },
       "original": {
@@ -276,11 +276,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1687506590,
-        "narHash": "sha256-CSou9mrG9h/WVRjCptfTrATVxvhmtdQXElmWV/ZkrAs=",
+        "lastModified": 1687627695,
+        "narHash": "sha256-6Pu7nWb52PRtUmihwuDNShDmsZiXgtXR0OARtH4DSik=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "d2b6f2d154bf6b27a93ed895392f80c503df7cfa",
+        "rev": "172d46d4b2677b32277d903bdf4cff77c2cc6477",
         "type": "github"
       },
       "original": {
@@ -299,11 +299,11 @@
       },
       "locked": {
         "dir": "contrib",
-        "lastModified": 1687473626,
-        "narHash": "sha256-9RacG3kFwJoxAeTcSU4DSuISk8jIO/7uarTe/M7/gZs=",
+        "lastModified": 1687563195,
+        "narHash": "sha256-eLdq2jS/CGCUe68V3K7YenGdxhP8Lf2zC9mMj8rDnB8=",
         "owner": "neovim",
         "repo": "neovim",
-        "rev": "3688735c2b63337ab8d8b12ac08b4e6e064e98a2",
+        "rev": "fa0a25dcb3a4fd2d6f03e09bcc7edac2f9ea8ded",
         "type": "github"
       },
       "original": {
@@ -324,11 +324,11 @@
         "weewx-proxy-flake": "weewx-proxy-flake"
       },
       "locked": {
-        "lastModified": 1687508546,
-        "narHash": "sha256-FU40rzPZcwdfXxMh8t00pdvAwFZtG38LuSC3oh0bD48=",
+        "lastModified": 1687594890,
+        "narHash": "sha256-Vf4nJWN7Vd+FOgVMhPdfACwtv8Oa+RB2WAV5tqFfBpo=",
         "owner": "nifoc",
         "repo": "nix-overlay",
-        "rev": "313011c66b28d90f3c35bf01fd0fa45c9602f94e",
+        "rev": "9ff43e8db8a409e01ee8ce9c6d764399eddb5ea1",
         "type": "github"
       },
       "original": {
diff --git a/home/programs/nvim/default.nix b/home/programs/nvim/default.nix
index 5baa4ae..069c0b1 100644
--- a/home/programs/nvim/default.nix
+++ b/home/programs/nvim/default.nix
@@ -31,7 +31,7 @@ in
       nodePackages.dockerfile-language-server-nodejs
       nodePackages.svelte-language-server
       nodePackages.typescript-language-server
-      # nodePackages.vscode-langservers-extracted
+      nodePackages.vscode-langservers-extracted
       nodePackages.yaml-language-server
       lua-language-server
       taplo-lsp
diff --git a/home/programs/nvim/plugins.nix b/home/programs/nvim/plugins.nix
index a2ee05b..8491c2b 100644
--- a/home/programs/nvim/plugins.nix
+++ b/home/programs/nvim/plugins.nix
@@ -85,12 +85,12 @@ in
   };
   leap-nvim = buildVimPluginFrom2Nix {
     pname = "leap.nvim";
-    version = "2023-06-22";
+    version = "2023-06-24";
     src = fetchFromGitHub {
       owner = "ggandor";
       repo = "leap.nvim";
-      rev = "0e5a8b684b577a1d1af53499007e9b84f6323e45";
-      sha256 = "14mqp0l6gwhgg6sz592cdzkrh82gv2wa6l094spyyhz6f598rz62";
+      rev = "3cc0e6a0b99dc18d4e5a88baa3cbe3c7b8b34566";
+      sha256 = "1d8kzcg8cnzqjn02cdsmhx0hx2hsncxg2kacnsyzlzwwrcix2kg9";
       fetchSubmodules = false;
     };
   };
@@ -107,12 +107,12 @@ in
   };
   nvim-treesitter = buildVimPluginFrom2Nix {
     pname = "nvim-treesitter";
-    version = "2023-06-23";
+    version = "2023-06-24";
     src = fetchFromGitHub {
       owner = "nvim-treesitter";
       repo = "nvim-treesitter";
-      rev = "f03db67aa400940a4e39f138a20cc9d0843528d3";
-      sha256 = "0g4nkd8l7hqhhxin05pp0da39kfs5zm29bj5pb87fxvbm8zmrijc";
+      rev = "68c619f2e3bbace5d2e885dbe44289dc68d776e5";
+      sha256 = "118pqng7bc61f37w82c1qiq5ird4l5sk8g7bgyycclay1h14xgsi";
       fetchSubmodules = false;
     };
   };
diff --git a/home/programs/scripts/nixpkgs-switch b/home/programs/scripts/nixpkgs-switch
index 93a75ec..0bbc83f 100755
--- a/home/programs/scripts/nixpkgs-switch
+++ b/home/programs/scripts/nixpkgs-switch
@@ -2,6 +2,7 @@
 
 set -f nix_os (uname)
 set -f nix_hostname (hostname -s)
+set -f other_hostname $argv[1]
 
 switch $nix_os
     case Darwin
@@ -16,14 +17,20 @@ end
 pushd "$config_dir"
 rm -rf result
 
-switch $nix_os
-    case Darwin
-        git pull
-        nom build ".#darwinConfigurations.$nix_hostname.config.system.build.toplevel"
-        env TERM=xterm-256color darwin-rebuild switch --flake ".#$nix_hostname"
-    case Linux
-        sudo git pull
-        sudo nixos-rebuild switch --flake .
+if test "$other_hostname" = ""
+    switch $nix_os
+        case Darwin
+            git pull
+            nom build ".#darwinConfigurations.$nix_hostname.config.system.build.toplevel"
+            env TERM=xterm-256color darwin-rebuild switch --flake ".#$nix_hostname"
+        case Linux
+            sudo git pull
+            sudo nixos-rebuild switch --flake .
+    end
+else
+    git pull
+    nom build --eval-store auto --store "ssh-ng://builder-$other_hostname" ".#nixosConfigurations.$other_hostname.config.system.build.toplevel"
+    deploy --skip-checks ".#$other_hostname"
 end
 
 rm -f result
diff --git a/system/hosts/Styx.nix b/system/hosts/Styx.nix
index cc32b68..18ce242 100644
--- a/system/hosts/Styx.nix
+++ b/system/hosts/Styx.nix
@@ -45,7 +45,7 @@
       {
         hostName = "builder-tanker";
         systems = [ "x86_64-linux" "aarch64-linux" ];
-        maxJobs = 2;
+        maxJobs = 4;
       }
 
       {
@@ -57,7 +57,7 @@
       {
         hostName = "builder-argon";
         systems = [ "aarch64-linux" ];
-        maxJobs = 1;
+        maxJobs = 2;
       }
     ];
 
diff --git a/system/hosts/tanker.nix b/system/hosts/tanker.nix
index 7f6a550..48b865d 100644
--- a/system/hosts/tanker.nix
+++ b/system/hosts/tanker.nix
@@ -12,6 +12,7 @@ in
     ../shared/show-update-changelog.nix
     ../nixos/ssh.nix
     ../nixos/msmtp.nix
+    ../nixos/smartd.nix
 
     ../nixos/git.nix
 
diff --git a/system/nixos/msmtp.nix b/system/nixos/msmtp.nix
index bad786e..6f183ef 100644
--- a/system/nixos/msmtp.nix
+++ b/system/nixos/msmtp.nix
@@ -1,4 +1,4 @@
-{ config, ... }:
+{ pkgs, config, ... }:
 
 {
   programs.msmtp = {
@@ -16,7 +16,7 @@
         port = 465;
         tls_starttls = false;
         user = "postmaster@mg.kempkens.io";
-        passwordeval = "cat ${config.age.secrets.msmtp-password.path}";
+        passwordeval = "${pkgs.coreutils}/bin/cat ${config.age.secrets.msmtp-password.path}";
 
         set_from_header = true;
         from = "tanker@mg.kempkens.io";
diff --git a/system/nixos/smartd.nix b/system/nixos/smartd.nix
new file mode 100644
index 0000000..fe3a828
--- /dev/null
+++ b/system/nixos/smartd.nix
@@ -0,0 +1,22 @@
+{
+  services.smartd = {
+    enable = true;
+
+    autodetect = true;
+
+    defaults.monitored = "-a -o on -s (S/../.././02|L/../../6/03)";
+
+    notifications = {
+      mail = {
+        enable = true;
+        sender = "smartd@mg.kempkens.io";
+        recipient = "daniel+tanker@kempkens.io";
+      };
+
+      wall.enable = true;
+      x11.enable = false;
+
+      test = false;
+    };
+  };
+}