diff --git a/flake.lock b/flake.lock
index 4f71017..64650eb 100644
--- a/flake.lock
+++ b/flake.lock
@@ -21,11 +21,11 @@
         "nixpkgs-lib": "nixpkgs-lib"
       },
       "locked": {
-        "lastModified": 1685662779,
-        "narHash": "sha256-cKDDciXGpMEjP1n6HlzKinN0H+oLmNpgeCTzYnsA2po=",
+        "lastModified": 1693611461,
+        "narHash": "sha256-aPODl8vAgGQ0ZYFIRisxYG5MOGSkIczvu2Cd8Gb9+1Y=",
         "owner": "hercules-ci",
         "repo": "flake-parts",
-        "rev": "71fb97f0d875fd4de4994dfb849f2c75e17eb6c3",
+        "rev": "7f53fdb7bdc5bb237da7fefef12d099e4fd611ca",
         "type": "github"
       },
       "original": {
@@ -39,14 +39,15 @@
         "flake-compat": [],
         "nixpkgs": [],
         "nixpkgs-22_11": "nixpkgs-22_11",
+        "nixpkgs-23_05": "nixpkgs-23_05",
         "utils": "utils"
       },
       "locked": {
-        "lastModified": 1686468558,
-        "narHash": "sha256-K69Ojlx3N8I6tRTZsrKFMIqK4yrnJ6/PjfKZi3wchYg=",
+        "lastModified": 1689976554,
+        "narHash": "sha256-uWJq3sIhkqfzPmfB2RWd5XFVooGFfSuJH9ER/r302xQ=",
         "ref": "refs/heads/master",
-        "rev": "290d00f6db4e80467013728819ad73dd4a394d9a",
-        "revCount": 554,
+        "rev": "c63f6e7b053c18325194ff0e274dba44e8d2271e",
+        "revCount": 570,
         "type": "git",
         "url": "https://gitlab.com/simple-nixos-mailserver/nixos-mailserver.git"
       },
@@ -57,11 +58,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1686412476,
-        "narHash": "sha256-inl9SVk6o5h75XKC79qrDCAobTD1Jxh6kVYTZKHzewA=",
+        "lastModified": 1695145219,
+        "narHash": "sha256-Eoe9IHbvmo5wEDeJXKFOpKUwxYJIOxKUesounVccNYk=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "21951114383770f96ae528d0ae68824557768e81",
+        "rev": "5ba549eafcf3e33405e5f66decd1a72356632b96",
         "type": "github"
       },
       "original": {
@@ -86,14 +87,29 @@
         "type": "indirect"
       }
     },
+    "nixpkgs-23_05": {
+      "locked": {
+        "lastModified": 1684782344,
+        "narHash": "sha256-SHN8hPYYSX0thDrMLMWPWYulK3YFgASOrCsIL3AJ78g=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "8966c43feba2c701ed624302b6a935f97bcbdf88",
+        "type": "github"
+      },
+      "original": {
+        "id": "nixpkgs",
+        "ref": "nixos-23.05",
+        "type": "indirect"
+      }
+    },
     "nixpkgs-lib": {
       "locked": {
         "dir": "lib",
-        "lastModified": 1685564631,
-        "narHash": "sha256-8ywr3AkblY4++3lIVxmrWZFzac7+f32ZEhH/A8pNscI=",
+        "lastModified": 1693471703,
+        "narHash": "sha256-0l03ZBL8P1P6z8MaSDS/MvuU8E75rVxe5eE1N6gxeTo=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "4f53efe34b3a8877ac923b9350c874e3dcd5dc0a",
+        "rev": "3e52e76b70d5508f3cec70b882a29199f4d1ee85",
         "type": "github"
       },
       "original": {