diff --git a/flake.lock b/flake.lock
index 3014bf6..5f8f1c1 100644
--- a/flake.lock
+++ b/flake.lock
@@ -21,11 +21,11 @@
         "nixpkgs-lib": "nixpkgs-lib"
       },
       "locked": {
-        "lastModified": 1712014858,
-        "narHash": "sha256-sB4SWl2lX95bExY2gMFG5HIzvva5AVMJd4Igm+GpZNw=",
+        "lastModified": 1717285511,
+        "narHash": "sha256-iKzJcpdXih14qYVcZ9QC9XuZYnPc6T8YImb6dX166kw=",
         "owner": "hercules-ci",
         "repo": "flake-parts",
-        "rev": "9126214d0a59633752a136528f5f3b9aa8565b7d",
+        "rev": "2a55567fcf15b1b1c7ed712a2c6fadaec7412ea8",
         "type": "github"
       },
       "original": {
@@ -33,31 +33,13 @@
         "type": "indirect"
       }
     },
-    "flake-utils": {
-      "inputs": {
-        "systems": "systems_2"
-      },
-      "locked": {
-        "lastModified": 1710146030,
-        "narHash": "sha256-SZ5L6eA7HJ/nmkzGG7/ISclqe6oZdOZTNoesiInkXPQ=",
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "b1d9ab70662946ef0850d488da1c9019f3a9752a",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "type": "github"
-      }
-    },
     "impermanence": {
       "locked": {
-        "lastModified": 1708968331,
-        "narHash": "sha256-VUXLaPusCBvwM3zhGbRIJVeYluh2uWuqtj4WirQ1L9Y=",
+        "lastModified": 1717932370,
+        "narHash": "sha256-7C5lCpiWiyPoIACOcu2mukn/1JRtz6HC/1aEMhUdcw0=",
         "owner": "nix-community",
         "repo": "impermanence",
-        "rev": "a33ef102a02ce77d3e39c25197664b7a636f9c30",
+        "rev": "27979f1c3a0d3b9617a3563e2839114ba7d48d3f",
         "type": "github"
       },
       "original": {
@@ -71,14 +53,15 @@
         "blobs": "blobs",
         "flake-compat": [],
         "nixpkgs": [],
+        "nixpkgs-24_05": "nixpkgs-24_05",
         "utils": "utils"
       },
       "locked": {
-        "lastModified": 1713012165,
-        "narHash": "sha256-z/soXKDnz+w4Nw0LkRaM73YqolhSmIYy6cpg1F2ps8I=",
+        "lastModified": 1718084203,
+        "narHash": "sha256-Cx1xoVfSMv1XDLgKg08CUd1EoTYWB45VmB9XIQzhmzI=",
         "ref": "refs/heads/master",
-        "rev": "9f6635a0351c190179dc6904545f950108a23dd8",
-        "revCount": 583,
+        "rev": "29916981e7b3b5782dc5085ad18490113f8ff63b",
+        "revCount": 589,
         "type": "git",
         "url": "https://gitlab.com/simple-nixos-mailserver/nixos-mailserver.git"
       },
@@ -89,11 +72,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1714076141,
-        "narHash": "sha256-Drmja/f5MRHZCskS6mvzFqxEaZMeciScCTFxWVLqWEY=",
+        "lastModified": 1717974879,
+        "narHash": "sha256-GTO3C88+5DX171F/gVS3Qga/hOs/eRMxPFpiHq2t+D8=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "7bb2ccd8cdc44c91edba16c48d2c8f331fb3d856",
+        "rev": "c7b821ba2e1e635ba5a76d299af62821cbcb09f3",
         "type": "github"
       },
       "original": {
@@ -103,31 +86,40 @@
         "type": "github"
       }
     },
+    "nixpkgs-24_05": {
+      "locked": {
+        "lastModified": 1717144377,
+        "narHash": "sha256-F/TKWETwB5RaR8owkPPi+SPJh83AQsm6KrQAlJ8v/uA=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "805a384895c696f802a9bf5bf4720f37385df547",
+        "type": "github"
+      },
+      "original": {
+        "id": "nixpkgs",
+        "ref": "nixos-24.05",
+        "type": "indirect"
+      }
+    },
     "nixpkgs-lib": {
       "locked": {
-        "dir": "lib",
-        "lastModified": 1711703276,
-        "narHash": "sha256-iMUFArF0WCatKK6RzfUJknjem0H9m4KgorO/p3Dopkk=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "d8fe5e6c92d0d190646fb9f1056741a229980089",
-        "type": "github"
+        "lastModified": 1717284937,
+        "narHash": "sha256-lIbdfCsf8LMFloheeE6N31+BMIeixqyQWbSr2vk79EQ=",
+        "type": "tarball",
+        "url": "https://github.com/NixOS/nixpkgs/archive/eb9ceca17df2ea50a250b6b27f7bf6ab0186f198.tar.gz"
       },
       "original": {
-        "dir": "lib",
-        "owner": "NixOS",
-        "ref": "nixos-unstable",
-        "repo": "nixpkgs",
-        "type": "github"
+        "type": "tarball",
+        "url": "https://github.com/NixOS/nixpkgs/archive/eb9ceca17df2ea50a250b6b27f7bf6ab0186f198.tar.gz"
       }
     },
     "nixpkgs-stable": {
       "locked": {
-        "lastModified": 1713638189,
-        "narHash": "sha256-q7APLfB6FmmSMI1Su5ihW9IwntBsk2hWNXh8XtSdSIk=",
+        "lastModified": 1717880976,
+        "narHash": "sha256-BRvSCsKtDUr83NEtbGfHLUOdDK0Cgbezj2PtcHnz+sQ=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "74574c38577914733b4f7a775dd77d24245081dd",
+        "rev": "4913a7c3d8b8d00cb9476a6bd730ff57777f740c",
         "type": "github"
       },
       "original": {
@@ -140,17 +132,16 @@
     "pre-commit-hooks": {
       "inputs": {
         "flake-compat": [],
-        "flake-utils": "flake-utils",
         "gitignore": [],
         "nixpkgs": [],
         "nixpkgs-stable": []
       },
       "locked": {
-        "lastModified": 1713954846,
-        "narHash": "sha256-RWFafuSb5nkWGu8dDbW7gVb8FOQOPqmX/9MlxUUDguw=",
+        "lastModified": 1717664902,
+        "narHash": "sha256-7XfBuLULizXjXfBYy/VV+SpYMHreNRHk9nKMsm1bgb4=",
         "owner": "cachix",
         "repo": "pre-commit-hooks.nix",
-        "rev": "6fb82e44254d6a0ece014ec423cb62d92435336f",
+        "rev": "cc4d466cb1254af050ff7bdf47f6d404a7c646d1",
         "type": "github"
       },
       "original": {
@@ -177,11 +168,11 @@
         "nixpkgs-stable": "nixpkgs-stable"
       },
       "locked": {
-        "lastModified": 1713892811,
-        "narHash": "sha256-uIGmA2xq41vVFETCF1WW4fFWFT2tqBln+aXnWrvjGRE=",
+        "lastModified": 1718137936,
+        "narHash": "sha256-psA+1Q5fPaK6yI3vzlLINNtb6EeXj111zQWnZYyJS9c=",
         "owner": "Mic92",
         "repo": "sops-nix",
-        "rev": "f1b0adc27265274e3b0c9b872a8f476a098679bd",
+        "rev": "c279dec105dd53df13a5e57525da97905cc0f0d6",
         "type": "github"
       },
       "original": {
@@ -205,21 +196,6 @@
         "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"
-      }
-    },
     "utils": {
       "inputs": {
         "systems": "systems"