diff --git a/flake.lock b/flake.lock
index 8f0a176..58af383 100644
--- a/flake.lock
+++ b/flake.lock
@@ -94,11 +94,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1705641746,
-        "narHash": "sha256-D6c2aH8HQbWc7ZWSV0BUpFpd94ImFyCP8jFIsKQ4Slg=",
+        "lastModified": 1708979614,
+        "narHash": "sha256-FWLWmYojIg6TeqxSnHkKpHu5SGnFP5um1uUjH+wRV6g=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "d2003f2223cbb8cd95134e4a0541beea215c1073",
+        "rev": "b7ee09cf5614b02d289cd86fcfa6f24d4e078c2a",
         "type": "github"
       },
       "original": {
@@ -107,28 +107,13 @@
         "type": "indirect"
       }
     },
-    "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": 1684782344,
-        "narHash": "sha256-SHN8hPYYSX0thDrMLMWPWYulK3YFgASOrCsIL3AJ78g=",
+        "lastModified": 1704290814,
+        "narHash": "sha256-LWvKHp7kGxk/GEtlrGYV68qIvPHkU9iToomNFGagixU=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "8966c43feba2c701ed624302b6a935f97bcbdf88",
+        "rev": "70bdadeb94ffc8806c0570eb5c2695ad29f0e421",
         "type": "github"
       },
       "original": {
@@ -139,11 +124,11 @@
     },
     "nixpkgs-unstable": {
       "locked": {
-        "lastModified": 1705496572,
-        "narHash": "sha256-rPIe9G5EBLXdBdn9ilGc0nq082lzQd0xGGe092R/5QE=",
+        "lastModified": 1708984720,
+        "narHash": "sha256-gJctErLbXx4QZBBbGp78PxtOOzsDaQ+yw1ylNQBuSUY=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "842d9d80cfd4560648c785f8a4e6f3b096790e19",
+        "rev": "13aff9b34cc32e59d35c62ac9356e4a41198a538",
         "type": "github"
       },
       "original": {
@@ -169,7 +154,6 @@
         "nixpkgs": [
           "nixpkgs-unstable"
         ],
-        "nixpkgs-22_11": "nixpkgs-22_11",
         "nixpkgs-23_05": "nixpkgs-23_05",
         "nixpkgs-23_11": [
           "nixpkgs"
@@ -177,11 +161,11 @@
         "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": {