diff --git a/flake.lock b/flake.lock
index 818a43f..29dfa51 100644
--- a/flake.lock
+++ b/flake.lock
@@ -55,11 +55,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1705400161,
-        "narHash": "sha256-0MFaNIwwpVWB1N9m7cfHAM2pSVtYESQ7tlHxnDTOhM4=",
+        "lastModified": 1706085261,
+        "narHash": "sha256-7PgpHRHyShINcqgevPP1fJ6N8kM5ZSOJnk3QZBrOCQ0=",
         "owner": "nix-community",
         "repo": "nixos-generators",
-        "rev": "521fb4cdd8a2e1a00d1adf0fea7135d1faf04234",
+        "rev": "896f6589db5b25023b812bbb6c1f5d3a499b1132",
         "type": "github"
       },
       "original": {
@@ -70,11 +70,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1705781397,
-        "narHash": "sha256-pOlDs1paCIAhr84QjFG72iv4iBsr0pIQyItxRHJhevE=",
+        "lastModified": 1706306662,
+        "narHash": "sha256-CVeZHdqbJ63Z+2l9FNcje6AfTdG4Y3WbFHuEn0RFUl0=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "c5b6c179f7b7adce1ee234df23e5cb9f1a78f87b",
+        "rev": "11d4781721d16e949fbd61f67bc6b09341b7bfc6",
         "type": "github"
       },
       "original": {
@@ -84,21 +84,6 @@
         "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-23-05": {
       "locked": {
         "lastModified": 1705033721,
@@ -117,11 +102,11 @@
     },
     "nixpkgs-23_05": {
       "locked": {
-        "lastModified": 1684782344,
-        "narHash": "sha256-SHN8hPYYSX0thDrMLMWPWYulK3YFgASOrCsIL3AJ78g=",
+        "lastModified": 1704290814,
+        "narHash": "sha256-LWvKHp7kGxk/GEtlrGYV68qIvPHkU9iToomNFGagixU=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "8966c43feba2c701ed624302b6a935f97bcbdf88",
+        "rev": "70bdadeb94ffc8806c0570eb5c2695ad29f0e421",
         "type": "github"
       },
       "original": {
@@ -132,11 +117,11 @@
     },
     "nixpkgs-23_11": {
       "locked": {
-        "lastModified": 1705774713,
-        "narHash": "sha256-j6ADaDH9XiumUzkTPlFyCBcoWYhO83lfgiSqEJF2zcs=",
+        "lastModified": 1706098335,
+        "narHash": "sha256-r3dWjT8P9/Ah5m5ul4WqIWD8muj5F+/gbCdjiNVBKmU=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "1b64fc1287991a9cce717a01c1973ef86cb1af0b",
+        "rev": "a77ab169a83a4175169d78684ddd2e54486ac651",
         "type": "github"
       },
       "original": {
@@ -147,11 +132,11 @@
     },
     "nixpkgs-unstable": {
       "locked": {
-        "lastModified": 1705847418,
-        "narHash": "sha256-I0EzjhMl5D/PI54DYhL/9iXmFmNb75M7PJ8/yrU5Z1A=",
+        "lastModified": 1706275741,
+        "narHash": "sha256-53O2JHFdDTWHzTfLkZRAZVAk9ntChFhcTTnAtj6bJKE=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "7da66b359bcffc532b67035b54b49c25b0c0480c",
+        "rev": "7ac72b3ee2af9bab80d66addd9b237277cc975c5",
         "type": "github"
       },
       "original": {
@@ -163,11 +148,11 @@
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1670751203,
-        "narHash": "sha256-XdoH1v3shKDGlrwjgrNX/EN8s3c+kQV7xY6cLCE8vcI=",
+        "lastModified": 1705856552,
+        "narHash": "sha256-JXfnuEf5Yd6bhMs/uvM67/joxYKoysyE3M2k6T3eWbg=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "64e0bf055f9d25928c31fb12924e59ff8ce71e60",
+        "rev": "612f97239e2cc474c13c9dafa0df378058c5ad8d",
         "type": "github"
       },
       "original": {
@@ -190,17 +175,16 @@
         "blobs": "blobs",
         "flake-compat": "flake-compat",
         "nixpkgs": "nixpkgs_2",
-        "nixpkgs-22_11": "nixpkgs-22_11",
         "nixpkgs-23_05": "nixpkgs-23_05",
         "nixpkgs-23_11": "nixpkgs-23_11",
         "utils": "utils"
       },
       "locked": {
-        "lastModified": 1703023684,
-        "narHash": "sha256-XQU4OaacV0F2tf9cNAvIMqlC0HBIrAtvb0MLjIHt+7M=",
+        "lastModified": 1706219574,
+        "narHash": "sha256-qO+8UErk+bXCq2ybHU4GzXG4Ejk4Tk0rnnTPNyypW4g=",
         "owner": "simple-nixos-mailserver",
         "repo": "nixos-mailserver",
-        "rev": "4bfb8eb058f098302c97b909df2d019926e11220",
+        "rev": "e47f3719f1db3e0961a4358d4cb234a0acaa7baf",
         "type": "gitlab"
       },
       "original": {