diff --git a/flake.lock b/flake.lock
index 1d7fb16..0a1e4b9 100644
--- a/flake.lock
+++ b/flake.lock
@@ -166,6 +166,21 @@
         "type": "github"
       }
     },
+    "nixpkgs-24_05": {
+      "locked": {
+        "lastModified": 1717144377,
+        "narHash": "sha256-F/TKWETwB5RaR8owkPPi+SPJh83AQsm6KrQAlJ8v/uA=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "805a384895c696f802a9bf5bf4720f37385df547",
+        "type": "github"
+      },
+      "original": {
+        "id": "nixpkgs",
+        "ref": "nixos-24.05",
+        "type": "indirect"
+      }
+    },
     "nixpkgs-unstable": {
       "locked": {
         "lastModified": 1717196966,
@@ -218,20 +233,21 @@
         "nixpkgs": [
           "nixpkgs"
         ],
+        "nixpkgs-24_05": "nixpkgs-24_05",
         "utils": "utils"
       },
       "locked": {
-        "lastModified": 1714720456,
-        "narHash": "sha256-e0WFe1BHqX23ADpGBc4ZRu38Mg+GICCZCqyS6EWCbHc=",
+        "lastModified": 1717408642,
+        "narHash": "sha256-lGyLGBU4cxd309uyoT+X1RiM5WOGE+jGLwfEw1FhnpY=",
         "owner": "simple-nixos-mailserver",
         "repo": "nixos-mailserver",
-        "rev": "41059fc548088e49e3ddb3a2b4faeb5de018e60f",
+        "rev": "1e456aff45e3ae5c0b37c31ea6f677aaea081d26",
         "type": "gitlab"
       },
       "original": {
         "owner": "simple-nixos-mailserver",
+        "ref": "nixos-24.05",
         "repo": "nixos-mailserver",
-        "rev": "41059fc548088e49e3ddb3a2b4faeb5de018e60f",
         "type": "gitlab"
       }
     },