diff --git a/flake.lock b/flake.lock
index 6be5bfaa..aa38abb5 100644
--- a/flake.lock
+++ b/flake.lock
@@ -263,11 +263,11 @@
     "flake-compat": {
       "flake": false,
       "locked": {
-        "lastModified": 1696426674,
-        "narHash": "sha256-kvjfFW7WAETZlt09AgDn1MrtKzP7t90Vf7vypd3OL1U=",
+        "lastModified": 1668681692,
+        "narHash": "sha256-Ht91NGdewz8IQLtWZ9LCeNXMSXHUss+9COoqu6JLmXU=",
         "owner": "edolstra",
         "repo": "flake-compat",
-        "rev": "0f9255e01c2351cc7d116c072cb317785dd33b33",
+        "rev": "009399224d5e398d03b22badca40a37ac85412a1",
         "type": "github"
       },
       "original": {
@@ -463,6 +463,36 @@
         "type": "github"
       }
     },
+    "nixpkgs-23_05": {
+      "locked": {
+        "lastModified": 1704290814,
+        "narHash": "sha256-LWvKHp7kGxk/GEtlrGYV68qIvPHkU9iToomNFGagixU=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "70bdadeb94ffc8806c0570eb5c2695ad29f0e421",
+        "type": "github"
+      },
+      "original": {
+        "id": "nixpkgs",
+        "ref": "nixos-23.05",
+        "type": "indirect"
+      }
+    },
+    "nixpkgs-23_11": {
+      "locked": {
+        "lastModified": 1706098335,
+        "narHash": "sha256-r3dWjT8P9/Ah5m5ul4WqIWD8muj5F+/gbCdjiNVBKmU=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "a77ab169a83a4175169d78684ddd2e54486ac651",
+        "type": "github"
+      },
+      "original": {
+        "id": "nixpkgs",
+        "ref": "nixos-23.11",
+        "type": "indirect"
+      }
+    },
     "oparl-scraper": {
       "flake": false,
       "locked": {
@@ -619,14 +649,16 @@
         "nixpkgs": [
           "nixos"
         ],
+        "nixpkgs-23_05": "nixpkgs-23_05",
+        "nixpkgs-23_11": "nixpkgs-23_11",
         "utils": "utils"
       },
       "locked": {
-        "lastModified": 1713201759,
-        "narHash": "sha256-HzgySE+n7Ri8faGo+uxYdjlCicgVGV0eJT86cWYIvo4=",
+        "lastModified": 1713017338,
+        "narHash": "sha256-BGXZdqdEc8+nFiX08q/kd8rWHgyiO42tacBpt39diMI=",
         "owner": "SuperSandro2000",
         "repo": "nixos-mailserver",
-        "rev": "4bc5bc9bdd0dd5816f24f286415f29e77a10b6e5",
+        "rev": "04490c0872d91da865b925a8b7f8ccd3ba982cbb",
         "type": "gitlab"
       },
       "original": {
@@ -762,21 +794,6 @@
         "type": "github"
       }
     },
-    "systems_2": {
-      "locked": {
-        "lastModified": 1681028828,
-        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
-        "owner": "nix-systems",
-        "repo": "default",
-        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-systems",
-        "repo": "default",
-        "type": "github"
-      }
-    },
     "ticker": {
       "inputs": {
         "fenix": [
@@ -849,15 +866,12 @@
       }
     },
     "utils": {
-      "inputs": {
-        "systems": "systems_2"
-      },
       "locked": {
-        "lastModified": 1709126324,
-        "narHash": "sha256-q6EQdSeUZOG26WelxqkmR7kArjgWCdw5sfJVHPH/7j8=",
+        "lastModified": 1605370193,
+        "narHash": "sha256-YyMTf3URDL/otKdKgtoMChu4vfVL3vCMkRqpGifhUn0=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "d465f4819400de7c8d874d50b982301f28a84605",
+        "rev": "5021eac20303a61fafe17224c087f5519baed54d",
         "type": "github"
       },
       "original": {