diff --git a/flake.lock b/flake.lock
index f8ac567..3014bf6 100644
--- a/flake.lock
+++ b/flake.lock
@@ -21,11 +21,11 @@
         "nixpkgs-lib": "nixpkgs-lib"
       },
       "locked": {
-        "lastModified": 1717285511,
-        "narHash": "sha256-iKzJcpdXih14qYVcZ9QC9XuZYnPc6T8YImb6dX166kw=",
+        "lastModified": 1712014858,
+        "narHash": "sha256-sB4SWl2lX95bExY2gMFG5HIzvva5AVMJd4Igm+GpZNw=",
         "owner": "hercules-ci",
         "repo": "flake-parts",
-        "rev": "2a55567fcf15b1b1c7ed712a2c6fadaec7412ea8",
+        "rev": "9126214d0a59633752a136528f5f3b9aa8565b7d",
         "type": "github"
       },
       "original": {
@@ -33,13 +33,31 @@
         "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": 1719091691,
-        "narHash": "sha256-AxaLX5cBEcGtE02PeGsfscSb/fWMnyS7zMWBXQWDKbE=",
+        "lastModified": 1708968331,
+        "narHash": "sha256-VUXLaPusCBvwM3zhGbRIJVeYluh2uWuqtj4WirQ1L9Y=",
         "owner": "nix-community",
         "repo": "impermanence",
-        "rev": "23c1f06316b67cb5dabdfe2973da3785cfe9c34a",
+        "rev": "a33ef102a02ce77d3e39c25197664b7a636f9c30",
         "type": "github"
       },
       "original": {
@@ -53,14 +71,14 @@
         "blobs": "blobs",
         "flake-compat": [],
         "nixpkgs": [],
-        "nixpkgs-24_05": "nixpkgs-24_05"
+        "utils": "utils"
       },
       "locked": {
-        "lastModified": 1718697807,
-        "narHash": "sha256-Enla61WFisytTYbWygPynEbu8vozjeGc6Obkj2GRj7o=",
+        "lastModified": 1713012165,
+        "narHash": "sha256-z/soXKDnz+w4Nw0LkRaM73YqolhSmIYy6cpg1F2ps8I=",
         "ref": "refs/heads/master",
-        "rev": "290a995de5c3d3f08468fa548f0d55ab2efc7b6b",
-        "revCount": 591,
+        "rev": "9f6635a0351c190179dc6904545f950108a23dd8",
+        "revCount": 583,
         "type": "git",
         "url": "https://gitlab.com/simple-nixos-mailserver/nixos-mailserver.git"
       },
@@ -71,11 +89,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1719075281,
-        "narHash": "sha256-CyyxvOwFf12I91PBWz43iGT1kjsf5oi6ax7CrvaMyAo=",
+        "lastModified": 1714076141,
+        "narHash": "sha256-Drmja/f5MRHZCskS6mvzFqxEaZMeciScCTFxWVLqWEY=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "a71e967ef3694799d0c418c98332f7ff4cc5f6af",
+        "rev": "7bb2ccd8cdc44c91edba16c48d2c8f331fb3d856",
         "type": "github"
       },
       "original": {
@@ -85,40 +103,31 @@
         "type": "github"
       }
     },
-    "nixpkgs-24_05": {
+    "nixpkgs-lib": {
       "locked": {
-        "lastModified": 1717144377,
-        "narHash": "sha256-F/TKWETwB5RaR8owkPPi+SPJh83AQsm6KrQAlJ8v/uA=",
+        "dir": "lib",
+        "lastModified": 1711703276,
+        "narHash": "sha256-iMUFArF0WCatKK6RzfUJknjem0H9m4KgorO/p3Dopkk=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "805a384895c696f802a9bf5bf4720f37385df547",
+        "rev": "d8fe5e6c92d0d190646fb9f1056741a229980089",
         "type": "github"
       },
       "original": {
-        "id": "nixpkgs",
-        "ref": "nixos-24.05",
-        "type": "indirect"
-      }
-    },
-    "nixpkgs-lib": {
-      "locked": {
-        "lastModified": 1717284937,
-        "narHash": "sha256-lIbdfCsf8LMFloheeE6N31+BMIeixqyQWbSr2vk79EQ=",
-        "type": "tarball",
-        "url": "https://github.com/NixOS/nixpkgs/archive/eb9ceca17df2ea50a250b6b27f7bf6ab0186f198.tar.gz"
-      },
-      "original": {
-        "type": "tarball",
-        "url": "https://github.com/NixOS/nixpkgs/archive/eb9ceca17df2ea50a250b6b27f7bf6ab0186f198.tar.gz"
+        "dir": "lib",
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
       }
     },
     "nixpkgs-stable": {
       "locked": {
-        "lastModified": 1719099622,
-        "narHash": "sha256-YzJECAxFt+U5LPYf/pCwW/e1iUd2PF21WITHY9B/BAs=",
+        "lastModified": 1713638189,
+        "narHash": "sha256-q7APLfB6FmmSMI1Su5ihW9IwntBsk2hWNXh8XtSdSIk=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "5e8e3b89adbd0be63192f6e645e0a54080004924",
+        "rev": "74574c38577914733b4f7a775dd77d24245081dd",
         "type": "github"
       },
       "original": {
@@ -131,16 +140,17 @@
     "pre-commit-hooks": {
       "inputs": {
         "flake-compat": [],
+        "flake-utils": "flake-utils",
         "gitignore": [],
         "nixpkgs": [],
         "nixpkgs-stable": []
       },
       "locked": {
-        "lastModified": 1718879355,
-        "narHash": "sha256-RTyqP4fBX2MdhNuMP+fnR3lIwbdtXhyj7w7fwtvgspc=",
+        "lastModified": 1713954846,
+        "narHash": "sha256-RWFafuSb5nkWGu8dDbW7gVb8FOQOPqmX/9MlxUUDguw=",
         "owner": "cachix",
         "repo": "pre-commit-hooks.nix",
-        "rev": "8cd35b9496d21a6c55164d8547d9d5280162b07a",
+        "rev": "6fb82e44254d6a0ece014ec423cb62d92435336f",
         "type": "github"
       },
       "original": {
@@ -167,11 +177,11 @@
         "nixpkgs-stable": "nixpkgs-stable"
       },
       "locked": {
-        "lastModified": 1719111739,
-        "narHash": "sha256-kr2QzRrplzlCP87ddayCZQS+dhGW98kw2zy7+jUXtF4=",
+        "lastModified": 1713892811,
+        "narHash": "sha256-uIGmA2xq41vVFETCF1WW4fFWFT2tqBln+aXnWrvjGRE=",
         "owner": "Mic92",
         "repo": "sops-nix",
-        "rev": "5e2e9421e9ed2b918be0a441c4535cfa45e04811",
+        "rev": "f1b0adc27265274e3b0c9b872a8f476a098679bd",
         "type": "github"
       },
       "original": {
@@ -179,6 +189,54 @@
         "repo": "sops-nix",
         "type": "github"
       }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "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"
+      }
+    },
+    "utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1709126324,
+        "narHash": "sha256-q6EQdSeUZOG26WelxqkmR7kArjgWCdw5sfJVHPH/7j8=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "d465f4819400de7c8d874d50b982301f28a84605",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
     }
   },
   "root": "root",