diff --git a/flake.lock b/flake.lock
index 5b68d57..81bfd82 100644
--- a/flake.lock
+++ b/flake.lock
@@ -19,8 +19,12 @@
     "deploy-rs": {
       "inputs": {
         "flake-compat": "flake-compat",
-        "nixpkgs": "nixpkgs",
-        "utils": "utils"
+        "nixpkgs": [
+          "unstable"
+        ],
+        "utils": [
+          "flake-utils"
+        ]
       },
       "locked": {
         "lastModified": 1672327199,
@@ -52,29 +56,13 @@
         "type": "github"
       }
     },
-    "flake-compat_2": {
-      "flake": false,
-      "locked": {
-        "lastModified": 1668681692,
-        "narHash": "sha256-Ht91NGdewz8IQLtWZ9LCeNXMSXHUss+9COoqu6JLmXU=",
-        "owner": "edolstra",
-        "repo": "flake-compat",
-        "rev": "009399224d5e398d03b22badca40a37ac85412a1",
-        "type": "github"
-      },
-      "original": {
-        "owner": "edolstra",
-        "repo": "flake-compat",
-        "type": "github"
-      }
-    },
     "flake-utils": {
       "locked": {
-        "lastModified": 1659877975,
-        "narHash": "sha256-zllb8aq3YO3h8B/U0/J1WBgAL8EX5yWf5pMj3G0NAmc=",
+        "lastModified": 1667395993,
+        "narHash": "sha256-nuEHfE/LcWyuSWnS8t12N1wc105Qtau+/OdUAjtQ0rA=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "c0e246b9b83f637f4681389ecabcb2681b4f3af0",
+        "rev": "5aed5285a952e0b949eb3ba02c12fa4fcfef535f",
         "type": "github"
       },
       "original": {
@@ -86,9 +74,11 @@
     "home-manager": {
       "inputs": {
         "nixpkgs": [
-          "nixpkgs"
+          "unstable"
         ],
-        "utils": "utils_2"
+        "utils": [
+          "flake-utils"
+        ]
       },
       "locked": {
         "lastModified": 1672244468,
@@ -123,8 +113,12 @@
     },
     "linkal": {
       "inputs": {
-        "flake-utils": "flake-utils",
-        "nixpkgs": "nixpkgs_2"
+        "flake-utils": [
+          "flake-utils"
+        ],
+        "nixpkgs": [
+          "nixpkgs"
+        ]
       },
       "locked": {
         "lastModified": 1669844376,
@@ -142,67 +136,6 @@
       }
     },
     "nixpkgs": {
-      "locked": {
-        "lastModified": 1671417167,
-        "narHash": "sha256-JkHam6WQOwZN1t2C2sbp1TqMv3TVRjzrdoejqfefwrM=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "bb31220cca6d044baa6dc2715b07497a2a7c4bc7",
-        "type": "github"
-      },
-      "original": {
-        "owner": "NixOS",
-        "ref": "nixpkgs-unstable",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
-    "nixpkgs-22_11": {
-      "locked": {
-        "lastModified": 1669558522,
-        "narHash": "sha256-yqxn+wOiPqe6cxzOo4leeJOp1bXE/fjPEi/3F/bBHv8=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "ce5fe99df1f15a09a91a86be9738d68fadfbad82",
-        "type": "github"
-      },
-      "original": {
-        "id": "nixpkgs",
-        "ref": "nixos-22.11",
-        "type": "indirect"
-      }
-    },
-    "nixpkgs-stable": {
-      "locked": {
-        "lastModified": 1673100377,
-        "narHash": "sha256-mT76pTd0YFxT6CwtPhDgHJhuIgLY+ZLSMiQpBufwMG4=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "9f11a2df77cb945c115ae2a65f53f38121597d73",
-        "type": "github"
-      },
-      "original": {
-        "owner": "NixOS",
-        "ref": "release-22.11",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
-    "nixpkgs_2": {
-      "locked": {
-        "lastModified": 1663669617,
-        "narHash": "sha256-yUrzkRDc6P3hsI5TdQ5+q8gnyjadNvaM3MMEsEVS8qk=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "41ac0bd371618db6dd67fd952cc5b3d6a9955a15",
-        "type": "github"
-      },
-      "original": {
-        "id": "nixpkgs",
-        "type": "indirect"
-      }
-    },
-    "nixpkgs_3": {
       "locked": {
         "lastModified": 1673163619,
         "narHash": "sha256-B33PFBL64ZgTWgMnhFL3jgheAN/DjHPsZ1Ih3z0VE5I=",
@@ -218,28 +151,14 @@
         "type": "github"
       }
     },
-    "nur": {
-      "locked": {
-        "lastModified": 1673271967,
-        "narHash": "sha256-y8YoXFOtSIZBdpIt+LhBN+PPJRnFYZ8+G5NU6mMxzd4=",
-        "owner": "nix-community",
-        "repo": "NUR",
-        "rev": "3453c12ff68a863938c01a8d6f41528add468885",
-        "type": "github"
-      },
-      "original": {
-        "id": "nur",
-        "type": "indirect"
-      }
-    },
     "root": {
       "inputs": {
         "deploy-rs": "deploy-rs",
+        "flake-utils": "flake-utils",
         "home-manager": "home-manager",
         "homepage": "homepage",
         "linkal": "linkal",
-        "nixpkgs": "nixpkgs_3",
-        "nur": "nur",
+        "nixpkgs": "nixpkgs",
         "simple-nixos-mailserver": "simple-nixos-mailserver",
         "sops-nix": "sops-nix",
         "unstable": "unstable"
@@ -248,24 +167,27 @@
     "simple-nixos-mailserver": {
       "inputs": {
         "blobs": "blobs",
-        "flake-compat": "flake-compat_2",
         "nixpkgs": [
+          "unstable"
+        ],
+        "nixpkgs-22_11": [
           "nixpkgs"
         ],
-        "nixpkgs-22_11": "nixpkgs-22_11",
-        "utils": "utils_3"
+        "utils": [
+          "flake-utils"
+        ]
       },
       "locked": {
-        "lastModified": 1671738303,
-        "narHash": "sha256-PRgqtaWf2kMSYqVmcnmhTh+UsC0RmvXRTr+EOw5VZUA=",
+        "lastModified": 1671659164,
+        "narHash": "sha256-DbpT+v1POwFOInbrDL+vMbYV3mVbTkMxmJ5j50QnOcA=",
         "owner": "simple-nixos-mailserver",
         "repo": "nixos-mailserver",
-        "rev": "6d0d9fb966cc565a3df74d3b686f924c7615118c",
+        "rev": "bc667fb6afc45f6cc2d118ab77658faf2227cffd",
         "type": "gitlab"
       },
       "original": {
         "owner": "simple-nixos-mailserver",
-        "ref": "master",
+        "ref": "nixos-22.11",
         "repo": "nixos-mailserver",
         "type": "gitlab"
       }
@@ -273,9 +195,11 @@
     "sops-nix": {
       "inputs": {
         "nixpkgs": [
-          "nixpkgs"
+          "unstable"
         ],
-        "nixpkgs-stable": "nixpkgs-stable"
+        "nixpkgs-stable": [
+          "nixpkgs"
+        ]
       },
       "locked": {
         "lastModified": 1673147300,
@@ -306,51 +230,6 @@
         "repo": "nixpkgs",
         "type": "github"
       }
-    },
-    "utils": {
-      "locked": {
-        "lastModified": 1667395993,
-        "narHash": "sha256-nuEHfE/LcWyuSWnS8t12N1wc105Qtau+/OdUAjtQ0rA=",
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "5aed5285a952e0b949eb3ba02c12fa4fcfef535f",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "type": "github"
-      }
-    },
-    "utils_2": {
-      "locked": {
-        "lastModified": 1667395993,
-        "narHash": "sha256-nuEHfE/LcWyuSWnS8t12N1wc105Qtau+/OdUAjtQ0rA=",
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "5aed5285a952e0b949eb3ba02c12fa4fcfef535f",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "type": "github"
-      }
-    },
-    "utils_3": {
-      "locked": {
-        "lastModified": 1605370193,
-        "narHash": "sha256-YyMTf3URDL/otKdKgtoMChu4vfVL3vCMkRqpGifhUn0=",
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "5021eac20303a61fafe17224c087f5519baed54d",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "type": "github"
-      }
     }
   },
   "root": "root",
diff --git a/flake.nix b/flake.nix
index 8b08ac4..4ffc628 100644
--- a/flake.nix
+++ b/flake.nix
@@ -4,9 +4,12 @@
 
     nixpkgs.url = "github:NixOS/nixpkgs/nixos-22.11";
 
+    flake-utils.url = "github:numtide/flake-utils";
+
     home-manager = {
       url = "github:nix-community/home-manager/release-22.11";
-      inputs.nixpkgs.follows = "nixpkgs";
+      inputs.nixpkgs.follows = "unstable";
+      inputs.utils.follows = "flake-utils";
     };
 
     homepage = {
@@ -20,26 +23,32 @@
 
     deploy-rs = {
       url = "github:serokell/deploy-rs";
+      inputs.utils.follows = "flake-utils";
+      inputs.nixpkgs.follows = "unstable";
     };
 
     sops-nix = {
       url = "github:Mic92/sops-nix";
-      inputs.nixpkgs.follows = "nixpkgs";
+      inputs.nixpkgs.follows = "unstable";
+      inputs.nixpkgs-stable.follows = "nixpkgs";
     };
 
     simple-nixos-mailserver = {
-      url = "gitlab:simple-nixos-mailserver/nixos-mailserver/master";
-      inputs.nixpkgs.follows = "nixpkgs";
+      url = "gitlab:simple-nixos-mailserver/nixos-mailserver/nixos-22.11";
+      inputs.nixpkgs.follows = "unstable";
+      inputs.nixpkgs-22_11.follows = "nixpkgs";
+      inputs.utils.follows = "flake-utils";
     };
 
     linkal = {
       url = "github:JulienMalka/Linkal/main";
-      flake = true;
+      inputs.flake-utils.follows = "flake-utils";
+      inputs.nixpkgs.follows = "nixpkgs";
     };
 
   };
 
-  outputs = { self, home-manager, nixpkgs, unstable, deploy-rs, sops-nix, nur, ... }@inputs:
+  outputs = { self, home-manager, nixpkgs, unstable, deploy-rs, sops-nix, ... }@inputs:
     let
       pkgs = import nixpkgs { system = "x86_64-linux"; };
       pkgsrpi = import nixpkgs { system = "aarch64-linux"; };