diff --git a/flake.lock b/flake.lock
index cfcf133..6d0eae2 100644
--- a/flake.lock
+++ b/flake.lock
@@ -1,5 +1,56 @@
 {
   "nodes": {
+    "blobs": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1604995301,
+        "narHash": "sha256-wcLzgLec6SGJA8fx1OEN1yV/Py5b+U5iyYpksUY/yLw=",
+        "owner": "simple-nixos-mailserver",
+        "repo": "blobs",
+        "rev": "2cccdf1ca48316f2cfd1c9a0017e8de5a7156265",
+        "type": "gitlab"
+      },
+      "original": {
+        "owner": "simple-nixos-mailserver",
+        "repo": "blobs",
+        "type": "gitlab"
+      }
+    },
+    "flake-compat": {
+      "locked": {
+        "lastModified": 1696426674,
+        "narHash": "sha256-kvjfFW7WAETZlt09AgDn1MrtKzP7t90Vf7vypd3OL1U=",
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "rev": "0f9255e01c2351cc7d116c072cb317785dd33b33",
+        "type": "github"
+      },
+      "original": {
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "type": "github"
+      }
+    },
+    "flake-utils": {
+      "inputs": {
+        "systems": [
+          "systems"
+        ]
+      },
+      "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"
+      }
+    },
     "home-manager": {
       "inputs": {
         "nixpkgs": [
@@ -21,6 +72,34 @@
         "type": "github"
       }
     },
+    "mailserver": {
+      "inputs": {
+        "blobs": "blobs",
+        "flake-compat": [
+          "flake-compat"
+        ],
+        "nixpkgs": [
+          "nixpkgs"
+        ],
+        "utils": [
+          "flake-utils"
+        ]
+      },
+      "locked": {
+        "lastModified": 1714720456,
+        "narHash": "sha256-e0WFe1BHqX23ADpGBc4ZRu38Mg+GICCZCqyS6EWCbHc=",
+        "owner": "simple-nixos-mailserver",
+        "repo": "nixos-mailserver",
+        "rev": "41059fc548088e49e3ddb3a2b4faeb5de018e60f",
+        "type": "gitlab"
+      },
+      "original": {
+        "owner": "simple-nixos-mailserver",
+        "ref": "master",
+        "repo": "nixos-mailserver",
+        "type": "gitlab"
+      }
+    },
     "nixpkgs": {
       "locked": {
         "lastModified": 1715266358,
@@ -71,11 +150,15 @@
     },
     "root": {
       "inputs": {
+        "flake-compat": "flake-compat",
+        "flake-utils": "flake-utils",
         "home-manager": "home-manager",
+        "mailserver": "mailserver",
         "nixpkgs": "nixpkgs",
         "nixpkgs-fresh": "nixpkgs-fresh",
         "nixpkgs-stable": "nixpkgs-stable",
-        "sops-nix": "sops-nix"
+        "sops-nix": "sops-nix",
+        "systems": "systems"
       }
     },
     "sops-nix": {
@@ -100,6 +183,21 @@
         "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"
+      }
     }
   },
   "root": "root",