diff --git a/README.md b/README.md
index de48121..1ea447c 100644
--- a/README.md
+++ b/README.md
@@ -40,13 +40,12 @@ nix build '.#nixosConfigurations.test-vm.config.system.build.vm'
 ./result/bin/run-nixos-vm
 
 # In another terminal, get the ed25519 SSH hostkey, then stop the VM with CTRL-c
-ssh-keyscan -p 2222 127.0.0.1 | grep ssh-ed25519
-...
-[127.0.0.1]:2222 ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIMdCOs16W731ftPDqO+X6RZVSdwVVNw2Xfmcpk5pzbeO
+
+SSH_HOST_KEY=$(ssh-keyscan -p 2222 127.0.0.1 | grep '\[127.0.0.1\]:2222 ssh-ed25519' | awk '{print $2 " " $3}')
 
 # Edit secrets.nix and add the SSH hostkey to machine 'test-vm', starting with 'ssh-ed25519 ...'
 sed --in-place \
-  's|test-vm = .*|test-vm = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIMdCOs16W731ftPDqO+X6RZVSdwVVNw2Xfmcpk5pzbeO host@test-vm";|' \
+  "s|test-vm = .*|test-vm = \"$SSH_HOST_KEY host@test-vm\";|" \
   secrets/secrets.nix
 
 # Rekey the secrets with agenix
diff --git a/flake.lock b/flake.lock
index ce6440f..8a15ee8 100644
--- a/flake.lock
+++ b/flake.lock
@@ -6,14 +6,15 @@
         "home-manager": "home-manager",
         "nixpkgs": [
           "nixpkgs"
-        ]
+        ],
+        "systems": "systems"
       },
       "locked": {
-        "lastModified": 1689334118,
-        "narHash": "sha256-djk5AZv1yU84xlKFaVHqFWvH73U7kIRstXwUAnDJPsk=",
+        "lastModified": 1703433843,
+        "narHash": "sha256-nmtA4KqFboWxxoOAA6Y1okHbZh+HsXaMPFkYHsoDRDw=",
         "owner": "ryantm",
         "repo": "agenix",
-        "rev": "0d8c5325fc81daf00532e3e26c6752f7bcde1143",
+        "rev": "417caa847f9383e111d1397039c9d4337d024bf0",
         "type": "github"
       },
       "original": {
@@ -30,11 +31,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1673295039,
-        "narHash": "sha256-AsdYgE8/GPwcelGgrntlijMg4t3hLFJFCRF3tL5WVjA=",
+        "lastModified": 1700795494,
+        "narHash": "sha256-gzGLZSiOhf155FW7262kdHo2YDeugp3VuIFb4/GGng0=",
         "owner": "lnl7",
         "repo": "nix-darwin",
-        "rev": "87b9d090ad39b25b2400029c64825fc2a8868943",
+        "rev": "4b9b83d5a92e8c1fbfd8eb27eda375908c11ec4d",
         "type": "github"
       },
       "original": {
@@ -54,11 +55,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1688380630,
-        "narHash": "sha256-8ilApWVb1mAi4439zS3iFeIT0ODlbrifm/fegWwgHjA=",
+        "lastModified": 1701787589,
+        "narHash": "sha256-ce+oQR4Zq9VOsLoh9bZT8Ip9PaMLcjjBUHVPzW5d7Cw=",
         "owner": "numtide",
         "repo": "devshell",
-        "rev": "f9238ec3d75cefbb2b42a44948c4e8fb1ae9a205",
+        "rev": "44ddedcbcfc2d52a76b64fb6122f209881bd3e1e",
         "type": "github"
       },
       "original": {
@@ -75,11 +76,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1682203081,
-        "narHash": "sha256-kRL4ejWDhi0zph/FpebFYhzqlOBrk0Pl3dzGEKSAlEw=",
+        "lastModified": 1703113217,
+        "narHash": "sha256-7ulcXOk63TIT2lVDSExj7XzFx09LpdSAPtvgtM7yQPE=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "32d3e39c491e2f91152c84f8ad8b003420eab0a1",
+        "rev": "3bfaacf46133c037bb356193bd2f1765d9dc82c1",
         "type": "github"
       },
       "original": {
@@ -90,16 +91,16 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1689503327,
-        "narHash": "sha256-qVwzYLA8oT2oWNDXO0A3bZHOhoPOihIB9T677+Hor1E=",
+        "lastModified": 1704295289,
+        "narHash": "sha256-9WZDRfpMqCYL6g/HNWVvXF0hxdaAgwgIGeLYiOhmes8=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "f64b9738da8e86195766147e9752c67fccee006c",
+        "rev": "b0b2c5445c64191fd8d0b31f2b1a34e45a64547d",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
-        "ref": "nixos-23.05",
+        "ref": "nixos-23.11",
         "repo": "nixpkgs",
         "type": "github"
       }
@@ -109,7 +110,7 @@
         "agenix": "agenix",
         "devshell": "devshell",
         "nixpkgs": "nixpkgs",
-        "systems": "systems"
+        "systems": "systems_2"
       }
     },
     "systems": {
@@ -126,6 +127,21 @@
         "repo": "default",
         "type": "github"
       }
+    },
+    "systems_2": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
     }
   },
   "root": "root",
diff --git a/flake.nix b/flake.nix
index d5eeb9d..aca39f7 100644
--- a/flake.nix
+++ b/flake.nix
@@ -2,7 +2,7 @@
   description = "Dev Setup";
 
   inputs = {
-    nixpkgs.url = "github:NixOS/nixpkgs/nixos-23.05";
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-23.11";
 
     systems.url = "github:nix-systems/default";
 
@@ -26,6 +26,10 @@
             self.overlays.pythonOverlay
             agenix.overlays.default
             devshell.overlays.default
+            # https://github.com/NixOS/nixpkgs/issues/265675#issuecomment-1846591842
+            (final: prev: {
+              pipewire = prev.pipewire.override { ffadoSupport = false; };
+            })
           ];
         }
       );
@@ -44,6 +48,7 @@
           # Add additional packages you'd like to be available in your devshell
           # PATH here
           devshell.packages = with pkgs; [
+            jq
           ];
           commands = [
             {
diff --git a/modules/erpnext.nix b/modules/erpnext.nix
index ced0bba..1a347b1 100644
--- a/modules/erpnext.nix
+++ b/modules/erpnext.nix
@@ -114,12 +114,6 @@ in
       };
     };
 
-    socketIoPort = mkOption {
-      type = types.port;
-      default = 9000;
-      description = lib.mdDoc "Local socket.io HTTP server port.";
-    };
-
     webserver = {
       bindAddress = mkOption {
         type = types.str;
@@ -199,10 +193,8 @@ in
       db_port = "${toString cfg.database.port}";
       db_name = "${cfg.database.name}";
       db_password = "#NIXOS_ERPNEXT_DB_USER_PASSWORD#";
-      redis_cache = "redis://${cfg.redis.host}:${toString cfg.redis.port}?db=1";
-      redis_queue = "redis://${cfg.redis.host}:${toString cfg.redis.port}?db=2";
-      redis_socketio = "redis://${cfg.redis.host}:${toString cfg.redis.port}?db=0";
-      socketio_port = "${toString cfg.socketIoPort}";
+      redis_cache = "redis://${cfg.redis.host}:${toString cfg.redis.port}?db=0";
+      redis_queue = "redis://${cfg.redis.host}:${toString cfg.redis.port}?db=1";
     };
     commonSiteConfigFile = pkgs.writeText "erpnext-common_site_config.json" (builtins.toJSON commonSiteConfig);
 
@@ -286,23 +278,6 @@ in
       "d '${cfg.benchDir}/sites' 0750 ${cfg.user} ${config.users.users.${cfg.user}.group}"
     ];
 
-    systemd.services.erpnext-nodejs-socketio = {
-      enable = true;
-      after = [ "erpnext-web.service" ];
-      wantedBy = [ "erpnext-web.service" ];
-      partOf = [ "erpnext-web.service" ];
-      description = "ERPNext Node.js HTTP server for socket.io ";
-      confinement = {
-        enable = true;
-        packages = [ pkgs.nodejs ];
-      };
-      serviceConfig = defaultServiceConfig // {
-        ExecStart = ''
-          ${pkgs.nodejs}/bin/node ${cfg.benchDir}/apps/frappe/socketio.js
-        '';
-      };
-    };
-
     services.caddy.enable = mkIf (cfg.caddy != null) true;
     services.caddy.virtualHosts."${cfg.domain}" = mkIf (cfg.caddy != null) (lib.mkMerge [
       cfg.caddy
@@ -312,12 +287,6 @@ in
             root * ${pkgs.frappe-erpnext-assets}/share/sites
             file_server
           }
-          handle /socket.io/* {
-            reverse_proxy :${toString cfg.socketIoPort} {
-              header_up X-Frappe-Site-Name "${cfg.domain}" 
-              header_up Origin "{scheme}://${cfg.domain}"
-            }
-          }
 
           reverse_proxy :${toString cfg.webserver.bindPort}
         '';
@@ -330,7 +299,6 @@ in
       after = [
         "mysql.service"
         "redis.service"
-        "redis-socketio.service"
         "systemd-tmpfiles-setup.service"
       ];
       description = "ERPNext web server";
@@ -347,6 +315,9 @@ in
           pkgs.replace-secret
         ];
       };
+      path = [
+        pkgs.mariadb-client
+      ];
       environment = {
         PYTHON_PATH = "${penv}/${pkgs.python3.sitePackages}";
       };
@@ -387,7 +358,7 @@ in
             --chdir="${cfg.benchDir}/sites" \
             --bind=${cfg.webserver.bindAddress}:${toString cfg.webserver.bindPort} \
             --threads=4 \
-            --workers=3 \
+            --workers=2 \
             --worker-class=gthread \
             --worker-tmp-dir=/dev/shm \
             --timeout=120 \
@@ -412,22 +383,6 @@ in
         '';
       };
     };
-    systemd.services.erpnext-queue-default = {
-      enable = true;
-      after = [ "erpnext-web.service" ];
-      wantedBy = [ "erpnext-web.service" ];
-      partOf = [ "erpnext-web.service" ];
-      description = "ERPNext default queue server";
-      confinement = {
-        enable = true;
-        packages = [ penv ];
-      };
-      serviceConfig = defaultServiceConfig // {
-        ExecStart = ''
-          ${penv}/bin/bench worker --queue default
-        '';
-      };
-    };
     systemd.services.erpnext-queue-long = {
       enable = true;
       after = [ "erpnext-web.service" ];
diff --git a/python-overlay.nix b/python-overlay.nix
index 4708ae2..f521d65 100644
--- a/python-overlay.nix
+++ b/python-overlay.nix
@@ -1,4 +1,7 @@
 final: prev: {
+  # Without this, we may inadvertedly end up with old versions (if we happen to
+  # overlay a dependency for other packages)
+  python3Packages = final.python3.pkgs;
   python3 = prev.python3.override {
     packageOverrides = pyFinal: pyPrev: {
       bench = pyFinal.callPackage ./python/bench.nix {};
@@ -9,39 +12,31 @@ final: prev: {
       honcho = pyFinal.callPackage ./python/honcho.nix {};
 
       # erpnext dependencies
-      gocardless-pro = pyFinal.callPackage ./python/gocardless-pro.nix {};
-      python-youtube = pyFinal.callPackage ./python/python-youtube.nix {};
-      redisearch = pyFinal.callPackage ./python/redisearch.nix {};
-      taxjar = pyFinal.callPackage ./python/taxjar.nix {};
+      barcodenumber = pyFinal.callPackage ./python/barcodenumber.nix {};
 
       # frappe dependencies
       email-reply-parser = pyFinal.callPackage ./python/email-reply-parser.nix {};
-      git-url-parse = pyFinal.callPackage ./python/git-url-parse.nix {};
       maxminddb-geolite2 = pyFinal.callPackage ./python/maxminddb-geolite2.nix {};
-      posthog = pyFinal.callPackage ./python/posthog.nix {};
-      premailer = pyFinal.callPackage ./python/premailer.nix {};
       psycopg2-binary = pyFinal.callPackage ./python/psycopg2-binary.nix {};
-      pypdf2 = pyFinal.callPackage ./python/pypdf2.nix {};
-      pypika = pyFinal.callPackage ./python/pypika.nix {};
-      rauth = pyFinal.callPackage ./python/rauth.nix {};
       traceback-with-variables = pyFinal.callPackage ./python/traceback-with-variables.nix {};
+      pydantic = pyFinal.callPackage ./python/pydantic.nix {};
 
-      # indirect dependencies
-      # taxjar
-      jsonobject = pyFinal.callPackage ./python/jsonobject.nix {};
-      # redisearch
-      rejson = pyFinal.callPackage ./python/rejson.nix {};
-
-
-
-      bleach = pyPrev.bleach.overridePythonAttrs (oldAttrs: (rec {
-        version = "3.3.1";
+      versioningit = pyPrev.versioningit.overridePythonAttrs (oldAttrs: (rec {
+        version = "2.2.1";
         src = pyPrev.fetchPypi {
           inherit version;
           inherit (oldAttrs) pname;
-          sha256 = "sha256-MGSDpal5VHQWCtV/zj3dG1BVHpge7Y4VpYLTTO8oqvo=";
+          hash = "sha256-DlgkLXq9phrmNZalSUrp7WMayF2Ls8yOF24yU8pLy7U=";
         };
       }));
+
+      fastapi = pyPrev.fastapi.overridePythonAttrs (oldAttrs: (rec {
+        propagatedBuildInputs = oldAttrs.propagatedBuildInputs ++ [
+          pyPrev.pydantic-settings
+          pyPrev.pydantic-extra-types
+        ];
+      }));
+
       plaid-python = pyPrev.plaid-python.overridePythonAttrs (oldAttrs: (rec {
         version = "7.2.1";
         src = pyPrev.fetchPypi {
@@ -54,16 +49,6 @@ final: prev: {
         # Integration tests require API keys and internet access
         checkPhase = "pyPrev.test -rxs ./tests/unit";
       }));
-      tweepy = pyPrev.tweepy.overridePythonAttrs (oldAttrs: (rec {
-        version = "3.10.0";
-        src = pyPrev.fetchPypi {
-          inherit version;
-          inherit (oldAttrs) pname;
-          sha256 = "sha256-duaVS4BspHDdqHf1fbh5L/8GoL66DtQ+/DgFdx458Go=";
-        };
-        doCheck = false;
-        pythonImportsCheck = [];
-      }));
     };
   };
 }
diff --git a/python/barcodenumber.nix b/python/barcodenumber.nix
new file mode 100644
index 0000000..1dc0d58
--- /dev/null
+++ b/python/barcodenumber.nix
@@ -0,0 +1,15 @@
+{
+  buildPythonPackage,
+  fetchPypi,
+}:
+buildPythonPackage rec {
+  pname = "barcodenumber";
+  version = "0.2.1";
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "sha256-nW8+m32i42kLR4oC4lrKoBkFYgKHgpZPGAFNJvtLMhc=";
+  };
+  propagatedBuildInputs = [  ];
+  nativeBuildInputs = [ ];
+  doCheck = false;
+}
diff --git a/python/erpnext.nix b/python/erpnext.nix
index 27f665a..093430d 100644
--- a/python/erpnext.nix
+++ b/python/erpnext.nix
@@ -2,21 +2,20 @@
 , buildPythonPackage
 , fetchFromGitHub
 , pythonRelaxDepsHook
+, flit-core
 
 # Core dependencies
 , pycountry
-, python-stdnum
 , unidecode
-, redisearch
+, barcodenumber
 , rapidfuzz
+, holidays
 
 # Integration dependencies
-, gocardless-pro
 , googlemaps
 , plaid-python
 , python-youtube
-, taxjar
-, tweepy
+, pypng
 }:
 let
   pinData = import ../srcs/pin.nix;
@@ -34,9 +33,9 @@ buildPythonPackage rec {
     sha256 = erpnextSrcHash;
   };
 
-  format = "flit";
+  format = "pyproject";
 
-  nativeBuildInputs = [ pythonRelaxDepsHook ];
+  nativeBuildInputs = [ pythonRelaxDepsHook flit-core ];
   pythonRelaxDeps = [
     "pycountry"
     "rapidfuzz"
@@ -46,17 +45,16 @@ buildPythonPackage rec {
   propagatedBuildInputs = [
     # Core dependencies
     pycountry
-    python-stdnum
     unidecode
-    redisearch
+    barcodenumber
     rapidfuzz
+    holidays
 
     # Integration dependencies
-    gocardless-pro
     googlemaps
     plaid-python
     python-youtube
-    taxjar
-    tweepy
+    # used for QR code generation
+    pypng
   ];
 }
diff --git a/python/frappe.nix b/python/frappe.nix
index d8a2ffc..a36e516 100644
--- a/python/frappe.nix
+++ b/python/frappe.nix
@@ -2,17 +2,19 @@
 , buildPythonPackage
 , pythonRelaxDepsHook
 , fetchFromGitHub
+, flit-core
 
 # Core dependencies
 , babel
 , click
 , filelock
+, filetype
 , gitpython
 , jinja2
 , pillow
 , pyjwt
 , pymysql
-, pypdf2
+, pypdf
 , pypika
 , pyqrcode
 , pyyaml
@@ -29,7 +31,6 @@
 , cryptography
 , email-reply-parser
 , git-url-parse
-, gitdb
 , gunicorn
 , html5lib
 , ipython
@@ -46,12 +47,9 @@
 , premailer
 , psutil
 , psycopg2-binary
-, pyasn1
-, pycountry
-, pycryptodome
+, pydantic
 , pyopenssl
 , pyotp
-, pypng
 , python-dateutil
 , pytz
 , rauth
@@ -62,11 +60,11 @@
 , rq
 , rsa
 , semantic-version
+, sentry-sdk
 , sqlparse
 , tenacity
 , terminaltables
 , traceback-with-variables
-, urllib3
 , xlrd
 , zxcvbn
 , markdownify
@@ -75,7 +73,6 @@
 , boto3
 , dropbox
 , google-api-python-client
-, google-auth-httplib2
 , google-auth-oauthlib
 , google-auth
 , posthog
@@ -96,51 +93,21 @@ buildPythonPackage rec {
     sha256 = frappeSrcHash;
   };
 
-  format = "flit";
+  format = "pyproject";
 
-  nativeBuildInputs = [ pythonRelaxDepsHook ];
-  pythonRelaxDeps = [
-    "Babel"
-    "beautifulsoup4"
-    "boto3"
-    "cairocffi"
-    "Click"
-    "croniter"
-    "cryptography"
-    "filelock"
-    "google-api-python-client"
-    "google-auth"
-    "hiredis"
-    "ipython"
-    "openpyxl"
-    "phonenumbers"
-    "Pillow"
-    "pyasn1"
-    "pycountry"
-    "pycryptodome"
-    "PyJWT"
-    "PyMySQL"
-    "pyOpenSSL"
-    "pyotp"
-    "pypng"
-    "pytz"
-    "redis"
-    "requests"
-    "rq"
-    "tenacity"
-    "WeasyPrint"
-  ];
+  nativeBuildInputs = [ pythonRelaxDepsHook flit-core ];
 
   propagatedBuildInputs = [
     babel
     click
     filelock
+    filetype
     gitpython
     jinja2
     pillow
     pyjwt
     pymysql
-    pypdf2
+    pypdf
     pypika
     pyqrcode
     pyyaml
@@ -157,7 +124,6 @@ buildPythonPackage rec {
     cryptography
     email-reply-parser
     git-url-parse
-    gitdb
     gunicorn
     html5lib
     ipython
@@ -174,12 +140,9 @@ buildPythonPackage rec {
     premailer
     psutil
     psycopg2-binary
-    pyasn1
-    pycountry
-    pycryptodome
+    pydantic
     pyopenssl
     pyotp
-    pypng
     python-dateutil
     pytz
     rauth
@@ -190,11 +153,11 @@ buildPythonPackage rec {
     rq
     rsa
     semantic-version
+    sentry-sdk
     sqlparse
     tenacity
     terminaltables
     traceback-with-variables
-    urllib3
     xlrd
     zxcvbn
     markdownify
@@ -203,7 +166,6 @@ buildPythonPackage rec {
     boto3
     dropbox
     google-api-python-client
-    google-auth-httplib2
     google-auth-oauthlib
     google-auth
     posthog
diff --git a/python/git-url-parse.nix b/python/git-url-parse.nix
deleted file mode 100644
index 8a50f97..0000000
--- a/python/git-url-parse.nix
+++ /dev/null
@@ -1,14 +0,0 @@
-{ buildPythonPackage
-, fetchPypi
-, pbr
-}:
-buildPythonPackage rec {
-  pname = "git-url-parse";
-  version = "1.2.2";
-  src = fetchPypi {
-    inherit pname version;
-    sha256 = "sha256-e19OOusdaTr+7mejvUrAY/cgbC6ORuVZ8NoNqYRF8Rc=";
-  };
-  propagatedBuildInputs = [pbr];
-  doCheck = false;
-}
diff --git a/python/gocardless-pro.nix b/python/gocardless-pro.nix
deleted file mode 100644
index 77907d0..0000000
--- a/python/gocardless-pro.nix
+++ /dev/null
@@ -1,19 +0,0 @@
-{
-  buildPythonPackage,
-  fetchPypi,
-  requests,
-  six
-}:
-buildPythonPackage rec {
-  pname = "gocardless-pro";
-  version = "1.22.0";
-  src = fetchPypi {
-    pname = "gocardless_pro";
-    inherit version;
-    sha256 = "sha256-i4gBeJvl/aCujeXGvJG+z1Wp2aczKg8clnfMyK8fz/w=";
-  };
-  propagatedBuildInputs = [
-    requests
-    six
-  ];
-}
diff --git a/python/jsonobject.nix b/python/jsonobject.nix
deleted file mode 100644
index 8751792..0000000
--- a/python/jsonobject.nix
+++ /dev/null
@@ -1,17 +0,0 @@
-{
-  buildPythonPackage,
-  fetchPypi,
-  cython,
-  six
-}:
-buildPythonPackage rec {
-  pname = "jsonobject";
-  version = "2.1.0";
-  src = fetchPypi {
-    inherit pname version;
-    sha256 = "sha256-UpijeVA+Q+/Aq0AC10LA/LuhqWKO3azE6lR7cThRRGY=";
-  };
-  propagatedBuildInputs = [ six ];
-  nativeBuildInputs = [ cython ];
-  doCheck = false;
-}
diff --git a/python/posthog.nix b/python/posthog.nix
deleted file mode 100644
index a746f12..0000000
--- a/python/posthog.nix
+++ /dev/null
@@ -1,22 +0,0 @@
-{ buildPythonPackage
-, fetchPypi
-, backoff
-, monotonic
-, python-dateutil
-, requests
-}:
-buildPythonPackage rec {
-  pname = "posthog";
-  version = "3.0.1";
-  src = fetchPypi {
-    inherit pname version;
-    sha256 = "sha256-V9J5H/V1LOVroPm7iHb688qSCPHCxs6utaJQTDRJN2c=";
-  };
-  propagatedBuildInputs = [
-    backoff
-    monotonic
-    python-dateutil
-    requests
-  ];
-  doCheck = false;
-}
diff --git a/python/premailer.nix b/python/premailer.nix
deleted file mode 100644
index 0489bc0..0000000
--- a/python/premailer.nix
+++ /dev/null
@@ -1,22 +0,0 @@
-{ buildPythonPackage
-, fetchPypi
-, cssselect
-, cssutils
-, lxml
-, mock
-, nose
-, requests
-, cachetools
-}:
-buildPythonPackage rec {
-  pname = "premailer";
-  version = "3.8.0";
-
-  buildInputs = [ mock nose ];
-  propagatedBuildInputs = [ cachetools cssselect cssutils lxml requests ];
-
-  src = fetchPypi {
-    inherit pname version;
-    sha256 = "sha256-TU4VckTO6UWgDBT+qp5qOusvryYj/2qLoIr99QX6DyU=";
-  };
-}
diff --git a/python/pydantic.nix b/python/pydantic.nix
new file mode 100644
index 0000000..1370f58
--- /dev/null
+++ b/python/pydantic.nix
@@ -0,0 +1,85 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, pythonOlder
+, hatchling
+, hatch-fancy-pypi-readme
+, libxcrypt
+, annotated-types
+, pydantic-core
+, typing-extensions
+, email-validator
+, dirty-equals
+, faker
+, pytestCheckHook
+, pytest-mock
+}:
+
+buildPythonPackage rec {
+  pname = "pydantic";
+  version = "2.3.0";
+  pyproject = true;
+
+  disabled = pythonOlder "3.7";
+
+  src = fetchFromGitHub {
+    owner = "pydantic";
+    repo = "pydantic";
+    rev = "refs/tags/v${version}";
+    hash = "sha256-toqrWg8bYzc3UmvG/YmXawfmT8nqaA9fxy24k1cdj+M=";
+  };
+
+  buildInputs = lib.optionals (pythonOlder "3.9") [
+    libxcrypt
+  ];
+
+  nativeBuildInputs = [
+    hatch-fancy-pypi-readme
+    hatchling
+  ];
+
+  propagatedBuildInputs = [
+    annotated-types
+    pydantic-core
+    typing-extensions
+  ];
+
+  passthru.optional-dependencies = {
+    email = [
+      email-validator
+    ];
+  };
+
+  nativeCheckInputs = [
+    dirty-equals
+    faker
+    pytest-mock
+    pytestCheckHook
+  ] ++ lib.flatten (lib.attrValues passthru.optional-dependencies);
+
+  preCheck = ''
+    export HOME=$(mktemp -d)
+    substituteInPlace pyproject.toml \
+      --replace "'--benchmark-columns', 'min,mean,stddev,outliers,rounds,iterations'," "" \
+      --replace "'--benchmark-group-by', 'group'," "" \
+      --replace "'--benchmark-warmup', 'on'," "" \
+      --replace "'--benchmark-disable'," ""
+  '';
+
+  disabledTestPaths = [
+    "tests/benchmarks"
+
+    # avoid cyclic dependency
+    "tests/test_docs.py"
+  ];
+
+  pythonImportsCheck = [ "pydantic" ];
+
+  meta = with lib; {
+    description = "Data validation and settings management using Python type hinting";
+    homepage = "https://github.com/pydantic/pydantic";
+    changelog = "https://github.com/pydantic/pydantic/blob/v${version}/HISTORY.md";
+    license = licenses.mit;
+    maintainers = with maintainers; [ wd15 ];
+  };
+}
diff --git a/python/pypdf2.nix b/python/pypdf2.nix
deleted file mode 100644
index 0a318a8..0000000
--- a/python/pypdf2.nix
+++ /dev/null
@@ -1,13 +0,0 @@
-{
-  buildPythonPackage,
-  fetchPypi,
-}:
-buildPythonPackage rec {
-  pname = "PyPDF2";
-  version = "2.1.1";
-  src = fetchPypi {
-    inherit pname version;
-    sha256 = "sha256-Vy8TFLZDMGed1vtwN4H+M9Dyi1n7LP661efrntypJzg=";
-  };
-  propagatedBuildInputs = [];
-}
diff --git a/python/pypika.nix b/python/pypika.nix
deleted file mode 100644
index da81dc3..0000000
--- a/python/pypika.nix
+++ /dev/null
@@ -1,15 +0,0 @@
-{
-  buildPythonPackage,
-  fetchPypi,
-}:
-buildPythonPackage rec {
-  pname = "pypika";
-  version = "0.48.9";
-  src = fetchPypi {
-    pname = "PyPika";
-    inherit version;
-    sha256 = "sha256-g4g2phdH58g4DNG3/2OGlLenM1NF0PVZsEss2DKtU3g=";
-  };
-  propagatedBuildInputs = [];
-  doCheck = false;
-}
diff --git a/python/python-youtube.nix b/python/python-youtube.nix
deleted file mode 100644
index 08940f7..0000000
--- a/python/python-youtube.nix
+++ /dev/null
@@ -1,27 +0,0 @@
-{
-  buildPythonPackage,
-  fetchPypi,
-
-  requests,
-  dataclasses-json,
-  isodate,
-  requests-oauthlib
-}:
-buildPythonPackage rec {
-  pname = "python-youtube";
-  version = "0.8.0";
-  src = fetchPypi {
-    inherit pname version;
-    sha256 = "sha256-Ud0Y+lmsK88SNh0uIjhOHgCgCG+SBv/FQkt3yc63tlo=";
-  };
-
-  # PyPI doesn't have test data in the source dist
-  doCheck = false;
-
-  propagatedBuildInputs = [
-    requests
-    dataclasses-json
-    isodate
-    requests-oauthlib
-  ];
-}
diff --git a/python/rauth.nix b/python/rauth.nix
deleted file mode 100644
index fb2b7f1..0000000
--- a/python/rauth.nix
+++ /dev/null
@@ -1,14 +0,0 @@
-{ buildPythonPackage
-, fetchPypi
-, requests
-}:
-buildPythonPackage rec {
-  pname = "rauth";
-  version = "0.7.3";
-  src = fetchPypi {
-    inherit pname version;
-    sha256 = "sha256-UkzbwcKFYOrPyanUDFlSXrjQD98H+62GEH6iRBFHewo=";
-  };
-  propagatedBuildInputs = [requests];
-  doCheck = false;
-}
diff --git a/python/redisearch.nix b/python/redisearch.nix
deleted file mode 100644
index 7c0c7a1..0000000
--- a/python/redisearch.nix
+++ /dev/null
@@ -1,28 +0,0 @@
-{ buildPythonPackage
-, fetchPypi
-, pythonRelaxDepsHook
-, unittestCheckHook
-, redis
-, rejson
-, hiredis
-}:
-buildPythonPackage rec {
-  pname = "redisearch";
-  version = "2.1.1";
-  src = fetchPypi {
-    inherit pname version;
-    sha256 = "sha256-V1rNWhOhB/8AXUVyoTa1A7Evpb8mr8N70R9qkj8exzw=";
-  };
-  nativeBuildInputs = [ pythonRelaxDepsHook ];
-  pythonRelaxDeps = [
-    "redis"
-  ];
-  propagatedBuildInputs = [
-    redis
-    rejson
-    hiredis
-  ];
-  nativeCheckInputs = [
-    unittestCheckHook
-  ];
-}
diff --git a/python/rejson.nix b/python/rejson.nix
deleted file mode 100644
index 3e72a45..0000000
--- a/python/rejson.nix
+++ /dev/null
@@ -1,24 +0,0 @@
-{ buildPythonPackage
-, pythonRelaxDepsHook
-, unittestCheckHook
-, fetchPypi
-, redis
-, six
-}:
-buildPythonPackage rec {
-  pname = "rejson";
-  version = "0.5.6";
-  src = fetchPypi {
-    inherit pname version;
-    sha256 = "sha256-vs3hNSAAUAi3ls5WyxKOsiUC18addIJv81HNQ79zvJc=";
-  };
-  nativeBuildInputs = [ pythonRelaxDepsHook ];
-  pythonRelaxDeps = [
-    "redis"
-  ];
-  propagatedBuildInputs = [
-    redis
-    six
-  ];
-  doCheck = false;
-}
diff --git a/python/taxjar.nix b/python/taxjar.nix
deleted file mode 100644
index 611d28b..0000000
--- a/python/taxjar.nix
+++ /dev/null
@@ -1,22 +0,0 @@
-{
-  buildPythonPackage,
-  fetchPypi,
-  jsonobject,
-  requests,
-  mock
-}:
-buildPythonPackage rec {
-  pname = "taxjar";
-  version = "1.9.2";
-  src = fetchPypi {
-    inherit pname version;
-    sha256 = "sha256-c8lkCLzEmNTuBYLyVNRQq4SLSveDpNKKf6NHxHpg7Ec=";
-  };
-  propagatedBuildInputs = [
-    jsonobject
-    requests
-  ];
-  checkInputs = [
-    mock
-  ];
-}
diff --git a/secrets/admin-password.age b/secrets/admin-password.age
index 9b4139c..e8e5753 100644
Binary files a/secrets/admin-password.age and b/secrets/admin-password.age differ
diff --git a/secrets/database-root-password.age b/secrets/database-root-password.age
index 598651a..6254fec 100644
--- a/secrets/database-root-password.age
+++ b/secrets/database-root-password.age
@@ -1,14 +1,15 @@
 age-encryption.org/v1
--> ssh-ed25519 Wp/X/Q J/XqDE9oquq8xyPyMXcYtWVEeIczShbr2WZ6zpXVDFk
-qsmZSC59mm8HUG72aqSdaVU2XaNMk5PumaE/r1+5Fzc
--> ssh-ed25519 fLYf0Q +zjc/bQDGBgWSd3O2BugQBMx2Iq4UEUG5XauQMqzvmY
-9TGVQ02H4Ofdwgju7zbRpfxanAUEbIb44nUZkFESLt4
--> ssh-ed25519 BVsyTA QE7uZCFJjDbhiQqvDgJeJevPqhYSEs6rswLdR/dU/gA
-+B37NmGCNFnnDtkLkMbb9mRSvR7/6ohQTRN/VK6HCGE
--> ssh-ed25519 BVsyTA QG+2eoqCbQzzQLF8uNX8Oj68SILAeWIUqcK0rtGT8nM
-3NUYU+9Bv88r1VNDeZFNMnc3l9lsiWjzsYTczyntRac
--> EMr"yt-grease
-GNRgoRN98JvtS4Vc1CE1I0RXSwvt5RGiwxwPBVCHtU9NaBNxY7enwQKHN0cRcvku
-oiA
---- lAr6xIM5wIjraqiC78485o9Od6N4ky54dCrcVc+ZECE
-?b�Tg5'���@��v�&��4\�����1��JZ��ea
\ No newline at end of file
+-> ssh-ed25519 Wp/X/Q JjeEJchHBwo2fIN05JQaDU5kuiCK2P+t/+vKpXpqzTk
+I2CWfsw1rob5uAn0TMec7UW5YgB6+ZOa8XjhW1zTN6k
+-> ssh-ed25519 8U1+ng iF25EtydJLTi7ETcI/mnnwGEEgJ2jzB+H1snIlOyIn0
+EYZMaBys1Ib9+9tyDiitoJZcRiYROKalLSw3+IkTYBE
+-> ssh-ed25519 oOFZcQ 3rYmvML6iYeP+TryrfY1nuKpMsE3oK3aB2VGLFG+fGM
+nhGu7dEr41l2Vc4wsoWj3Iv6prFGbd3L9aTtq0OWYJ4
+-> ssh-ed25519 BVsyTA GuseCoA9Q6j4Rh652hyaHkySE3vuhhmnh00jFrnduy0
+pt54rMN3hAnrgWgEEqWvdNmmv/jJy95uuZc77QIjBzk
+-> ssh-ed25519 BVsyTA yKrgTRQhuLevVctFOy8XWtaI6KYwWS70ZzlT97xSAVg
+wRrgGa4lH+NPkTqnfUtZRQGni4BRumHir70hQZVAPAA
+-> ssh-ed25519 +3V2lQ RqMzBa5WjiE8JbbjF23b32VZZUgiD7R9mHJLTwTCXAQ
+dQHjQIIydSjJe6hDJkHTHcM142cJWUHcgqVCfWgbbu8
+--- BsXgkqdDPJP/w8BrFTMxZSQOmmdydlNig/LubpRp1j8
+$�������KT �RQ�?��?l��	�	r����Bh�;.
\ No newline at end of file
diff --git a/secrets/database-user-password.age b/secrets/database-user-password.age
index 079a004..3cbef30 100644
--- a/secrets/database-user-password.age
+++ b/secrets/database-user-password.age
@@ -1,14 +1,15 @@
 age-encryption.org/v1
--> ssh-ed25519 Wp/X/Q XnUGBSLYyTTUjTiqQg4zZGeVvMqPocTk7uZRBhPguGk
-TFf2vCef46WGwSSL9eQoWJw74fiUfymxaUxNf+Ty32Y
--> ssh-ed25519 fLYf0Q rtQ/LRlEPw+V/71ptxLfhbjjKUKD3M/FitHxuIfb61I
-iWDj8TXCJOf73MUcHZWhnhQjnuKqykxQ8UYYzeFs7FA
--> ssh-ed25519 BVsyTA /5BemxhsClGZQAAF4apL2g37qjHjJ0VjPC1352NniFk
-LCKyRK+JbZW1YFpZknB+HVCVjS2xxPwsbitJ3pztYO0
--> ssh-ed25519 BVsyTA r0UHDzJx01z6u5tC+KWvp/TrpvFaTAP6Nn2z9vv7kVU
-/L+0zAITksGzHkdGneaEWgUGHcBfXUROCS8fQh1fAPg
--> [>kC]3-grease
-ZAw4x/KwujI8DlxyGsgjk8yu
---- LA8ePveqZ7SKE7WsfrX/dD37bU4VRgivUfSRDOpc14A
-��p>��Y�x�nP�׺D>F�v!
-��~ᨀ�:���w�
\ No newline at end of file
+-> ssh-ed25519 Wp/X/Q AYajVfjNpeIzQa6gJS4WQ0FxeiG+E6ubvnMpUuhqRBE
+iXBt2QFOSb0maN2/S6GpfmXKMFFbL+PqA9uIcB2CheY
+-> ssh-ed25519 8U1+ng 5zraJOoaFPm11JUBcFlYvE4KwCMECg8SS1RcjRtQ90s
+wp/PNpwftnpmU8OVHKn7RWlVI2gUJQAWje0L7WF8POY
+-> ssh-ed25519 oOFZcQ H4DlziBiXcE54Dnuk3MfiNFF6iOE5eQUVL4npUjgfEM
+BYK5wXV4evqtUanzJtAgTzHjQUkv6BMNDYhqhEN+LAE
+-> ssh-ed25519 BVsyTA dyZ/zUHpYNxbo3GmtHXR4XXzV2gVdaku1chxE028JTA
+1VRZgmsRV1CjQCVNJhDnOYOWl1V4OxCd/mNY+QhNbIw
+-> ssh-ed25519 BVsyTA h3vgd5Gm49NW8kBYZ6cCW8qjSZ8thUpvNzoRGArnK0I
+fL9vlAYUFW7IRhyerc7VpYfK+4ZQvMAs+rb1KHvi0Nw
+-> ssh-ed25519 +3V2lQ V3SNRpH/u017gfpyrXRavZvHEeg7UrfmVgtacFNNwxE
+Hk34+oa4HAWpCyKZzwq1TTkcivfKnoabgoPI0YVujiE
+--- DYEoKE9rQw/OFgEWQq+DK9seMqLovJ4JCXb8a8pBGWE
+MB�����:�9����������T��\���'y"�To�
\ No newline at end of file
diff --git a/secrets/secrets.nix b/secrets/secrets.nix
index e514c6b..78b7d7d 100644
--- a/secrets/secrets.nix
+++ b/secrets/secrets.nix
@@ -2,13 +2,15 @@ let
   # set ssh public keys here for your system and user
   machines = {
     dumpyourvms = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAILDATEWAgDZFfYs1ZPh33Kg4sqQ9tWMVKyk8XqFu3Koe host@dumpyourvms";
-    test-vm = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIB7EsR4wT+bOaC/rafTZUqsR7z9SFM57Oabv+I0ar454 host@test-vm";
+    ryzensun = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIH/l7MfEmt510BMeNjuXNPmZ0brcQidvrrpcea+qJMjX host@ryzensun";
+    test-vm = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIEM2z37ihd0zy9146EFDsvRhtTgBSPiB9OzhPgjmyuqX host@test-vm";
   };
   users = {
-    teutat3s = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIHcU6KPy4b1MQXd6EJhcYwbJu7E+0IrBZF/IP6T7gbMf teutat3s@dumpyourvms";
+    teutat3s-dumpyourvms = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIHcU6KPy4b1MQXd6EJhcYwbJu7E+0IrBZF/IP6T7gbMf teutat3s@dumpyourvms";
+    teutat3s-ryzensun = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIPAsRdVYK0077cdtavmrRr6akrI68T1EDY4Hfv4+W86J teutat3s@ryzensun";
     root = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIHcU6KPy4b1MQXd6EJhcYwbJu7E+0IrBZF/IP6T7gbMf root@test-vm";
   };
-  allKeys = [machines.dumpyourvms machines.test-vm users.root users.teutat3s];
+  allKeys = [machines.dumpyourvms machines.ryzensun machines.test-vm users.root users.teutat3s-dumpyourvms users.teutat3s-ryzensun];
 in {
   "admin-password.age".publicKeys = allKeys;
   "database-root-password.age".publicKeys = allKeys;
diff --git a/srcs/pin.nix b/srcs/pin.nix
index cdfe786..dbb13ec 100644
--- a/srcs/pin.nix
+++ b/srcs/pin.nix
@@ -1,12 +1,12 @@
 {
-  benchVersion = "5.16.4";
-  erpnextVersion = "14.30.6";
-  frappeVersion = "14.40.3";
+  benchVersion = "5.19.0";
+  erpnextVersion = "15.9.1";
+  frappeVersion = "15.8.1";
   hashes = {
-    "benchSrcHash" = "nIEFTCiyjfkCtpeeoQY+9zfoHQXZ5NOgXgLaz5ki150=";
-    "erpnextSrcHash" = "E+1vW73a3dp0YIVM0Ybt55DEi/7kDIKB4xTac+D49l4=";
-    "erpnextYarnHash" = "0rjqlw0lff1wwbzl62g8nnjlhz3km2km3vqj2dccawpi4q2kh6jn";
-    "frappeSrcHash" = "byzPj4kJRgU1Fs5wyr9FZU2NyoxX0qePNY/KicEvGcY=";
-    "frappeYarnHash" = "0az1kdqcwmpzryrdg6ag4q5pqxy67vcns654d888l9307x9lq5rw";
+    "benchSrcHash" = "sha256-y8nx4vFVQggwGv2MWQ88WczgVbPxPybZV38FF5u5aWI=";
+    "erpnextSrcHash" = "sha256-nkXN0PTcWt1nSy3eRdBF2h0WMdAC79qWzaj9kXRsG2I=";
+    "erpnextYarnHash" = "1farnqrfnzshpbpx4nyarw13g8m3389ix3hrc4661xxm887lz5fv";
+    "frappeSrcHash" = "sha256-FDUUNbULPmMY6dDgbMHrxXD8pK1AP+T7kG7mY9MmMDg=";
+    "frappeYarnHash" = "0rj2v69siagwjz632hyaii5ni24fp434cznaxpi8978fq07qx6l9";
   };
 }
diff --git a/srcs/update.sh b/srcs/update.sh
index 4b3d313..0dceaba 100755
--- a/srcs/update.sh
+++ b/srcs/update.sh
@@ -1,5 +1,5 @@
 #!/usr/bin/env nix-shell
-#!nix-shell -i bash -p nix wget prefetch-yarn-deps nix-prefetch-github
+#!nix-shell -i bash -p nix wget prefetch-yarn-deps nix-prefetch-github jq
 
 if [ "$#" -gt 3 ] || [[ "$1" == -* ]]; then
   echo "Regenerates packaging data for the ERPNext packages."
@@ -14,13 +14,13 @@ frappe_version="$3"
 set -euo pipefail
 
 if [ -z "$bench_version" ]; then
-  bench_version="$(wget -q -O- "https://api.github.com/repos/frappe/bench/releases?per_page=1" | jq -r '.[0].tag_name')"
+  bench_version="$(wget --quiet --output-document=- "https://api.github.com/repos/frappe/bench/releases?per_page=1" | jq --raw-output '.[0].tag_name')"
 fi
 if [ -z "$erpnext_version" ]; then
-  erpnext_version="$(wget -q -O- "https://api.github.com/repos/frappe/erpnext/releases?per_page=1" | jq -r '.[0].tag_name')"
+  erpnext_version="$(wget --quiet --output-document=- "https://api.github.com/repos/frappe/erpnext/releases?per_page=1" | jq --raw-output '.[0].tag_name')"
 fi
 if [ -z "$frappe_version" ]; then
-  frappe_version="$(wget -q -O- "https://api.github.com/repos/frappe/frappe/releases?per_page=1" | jq -r '.[0].tag_name')"
+  frappe_version="$(wget --quiet --output-document=- "https://api.github.com/repos/frappe/frappe/releases?per_page=1" | jq --raw-output '.[0].tag_name')"
 fi
 
 # strip leading "v"
@@ -29,32 +29,38 @@ erpnext_version="${erpnext_version#v}"
 frappe_version="${frappe_version#v}"
 
 # Bench
-bench_src_hash=$(nix-prefetch-github frappe bench --rev "v${bench_version}" | jq -r .sha256)
+echo "Prefetching bench source version $bench_version from GitHub ..."
+bench_src_hash=$(nix-prefetch-github frappe bench --rev "v${bench_version}" | jq --raw-output .hash)
 
 # Erpnext
+echo "Prefetching erpnext source version $erpnext_version from GitHub ..."
 erpnext_src="https://raw.githubusercontent.com/frappe/erpnext/v$erpnext_version"
-erpnext_src_hash="$(nix-prefetch-github frappe erpnext --rev "v${erpnext_version}" | jq -r .sha256)"
+erpnext_src_hash="$(nix-prefetch-github frappe erpnext --rev "v${erpnext_version}" | jq --raw-output .hash)"
 
-erpnext_tmpdir=$(mktemp -d)
+erpnext_tmpdir=$(mktemp --directory)
 trap 'rm -rf "$erpnext_tmpdir"' EXIT
 
-pushd "$erpnext_tmpdir"
-wget -q "$erpnext_src/yarn.lock"
+pushd "$erpnext_tmpdir" &> /dev/null
+wget --quiet "$erpnext_src/yarn.lock"
+echo "Prefetching erpnext yarn dependencies ..."
 erpnext_yarn_hash=$(prefetch-yarn-deps yarn.lock)
-popd
+popd &> /dev/null
 
 # Frappe
+echo "Prefetching frappe source version $frappe_version from GitHub ..."
 frappe_src="https://raw.githubusercontent.com/frappe/frappe/v$frappe_version"
-frappe_src_hash="$(nix-prefetch-github frappe frappe --rev "v${frappe_version}" | jq -r .sha256)"
+frappe_src_hash="$(nix-prefetch-github frappe frappe --rev "v${frappe_version}" | jq --raw-output .hash)"
 
-frappe_tmpdir=$(mktemp -d)
+frappe_tmpdir=$(mktemp --directory)
 trap 'rm -rf "$frappe_tmpdir"' EXIT
 
-pushd "$frappe_tmpdir"
-wget -q "$frappe_src/yarn.lock"
+pushd "$frappe_tmpdir" &> /dev/null
+wget --quiet "$frappe_src/yarn.lock"
+echo "Prefetching frappe yarn dependencies ..."
 frappe_yarn_hash=$(prefetch-yarn-deps yarn.lock)
-popd
+popd &> /dev/null
 
+echo "Saving updated versions and hashes to pin.nix file ..."
 cat > pin.nix << EOF
 {
   benchVersion = "$bench_version";
diff --git a/test-vm/configuration.nix b/test-vm/configuration.nix
index da35146..a33e397 100644
--- a/test-vm/configuration.nix
+++ b/test-vm/configuration.nix
@@ -9,7 +9,7 @@
 
   config = {
     services.qemuGuest.enable = true;
-    system.stateVersion = "23.05";
+    system.stateVersion = "23.11";
 
     fileSystems."/" = {
       device = "/dev/disk/by-label/nixos";
@@ -50,6 +50,7 @@
     users.extraUsers.root.password = "";
     users.users.root.openssh.authorizedKeys.keys = [
       "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIMNeQYLFauAbzDyIbKC86NUh9yZfiyBm/BtIdkcpZnSU"
+      "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIPAsRdVYK0077cdtavmrRr6akrI68T1EDY4Hfv4+W86J teutat3s@ryzensun"
     ];
     users.mutableUsers = false;
     networking.firewall.enable = false;
diff --git a/update.sh b/update.sh
deleted file mode 100644
index 4a84c94..0000000
--- a/update.sh
+++ /dev/null
@@ -1,73 +0,0 @@
-#!/usr/bin/env nix-shell
-#!nix-shell -I nixpkgs=../../../../../ -i bash -p nix wget prefetch-yarn-deps nix-prefetch-github
-
-if [ "$#" -gt 1 ] || [[ "$1" == -* ]]; then
-  echo "Regenerates packaging data for the ERPNext packages."
-  echo "Usage: $0 [git bench release tag] $1 [git erpnext release tag] $2 [git frappe release tag]"
-  exit 1
-fi
-
-bench_version="$1"
-erpnext_version="$3"
-frappe_version="$2"
-
-set -euo pipefail
-
-if [ -z "$bench_version" ]; then
-  bench_version="$(wget -q -O- "https://api.github.com/repos/frappe/bench/releases?per_page=1" | jq -r '.[0].tag_name')"
-fi
-if [ -z "$erpnext_version" ]; then
-  erpnext_version="$(wget -q -O- "https://api.github.com/repos/frappe/erpnext/releases?per_page=1" | jq -r '.[0].tag_name')"
-fi
-if [ -z "$frappe_version" ]; then
-  frappe_version="$(wget -q -O- "https://api.github.com/repos/frappe/frappe/releases?per_page=1" | jq -r '.[0].tag_name')"
-fi
-
-# strip leading "v"
-bench_version="${bench_version#v}"
-erpnext_version="${erpnext_version#v}"
-frappe_version="${frappe_version#v}"
-
-# Bench
-bench_src_hash=$(nix-prefetch-github frappe bench --rev "v${bench_version}" | jq -r .sha256)
-
-popd
-
-# Erpnext
-erpnext_src="https://raw.githubusercontent.com/frappe/erpnext/v$erpnext_version"
-erpnext_src_hash="$(nix-prefetch-github frappe erpnext --rev "v${erpnext_version}" | jq -r .sha256)"
-
-erpnext_tmpdir=$(mktemp -d)
-trap 'rm -rf "$erpnext_tmpdir"' EXIT
-
-pushd "$erpnext_tmpdir"
-wget -q "$erpnext_src/yarn.lock"
-erpnext_yarn_hash=$(prefetch-yarn-deps yarn.lock)
-popd
-
-# Frappe
-frappe_src="https://raw.githubusercontent.com/frappe/frappe/v$frappe_version"
-frappe_src_hash="$(nix-prefetch-github frappe frappe --rev "v${frappe_version}" | jq -r .sha256)"
-
-frappe_tmpdir=$(mktemp -d)
-trap 'rm -rf "$frappe_tmpdir"' EXIT
-
-pushd "$frappe_tmpdir"
-wget -q "$frappe_src/yarn.lock"
-frappe_yarn_hash=$(prefetch-yarn-deps yarn.lock)
-popd
-
-cat > pin.nix << EOF
-{
-  benchVersion = "$bench_version";
-  erpnextVersion = "$erpnext_version";
-  frappeVersion = "$frappe_version";
-  hashes = {
-    "benchSrcHash" = "$bench_src_hash";
-    "erpnextSrcHash" = "$erpnext_src_hash";
-    "erpnextYarnHash" = "$erpnext_yarn_hash";
-    "frappeSrcHash" = "$frappe_src_hash";
-    "frappeYarnHash" = "$frappe_yarn_hash";
-  };
-}
-EOF