diff --git a/flake.lock b/flake.lock
index a294fa1..a1a98cd 100644
--- a/flake.lock
+++ b/flake.lock
@@ -102,16 +102,16 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1762498405,
-        "narHash": "sha256-Zg/SCgCaAioc0/SVZQJxuECGPJy+OAeBcGeA5okdYDc=",
+        "lastModified": 1764522689,
+        "narHash": "sha256-SqUuBFjhl/kpDiVaKLQBoD8TLD+/cTUzzgVFoaHrkqY=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "6faeb062ee4cf4f105989d490831713cc5a43ee1",
+        "rev": "8bb5646e0bed5dbd3ab08c7a7cc15b75ab4e1d0f",
         "type": "github"
       },
       "original": {
         "id": "nixpkgs",
-        "ref": "nixos-25.05",
+        "ref": "nixos-25.11",
         "type": "indirect"
       }
     },
diff --git a/flake.nix b/flake.nix
index 1f46b96..e6906a9 100644
--- a/flake.nix
+++ b/flake.nix
@@ -1,7 +1,7 @@
 {
   description = "Nixos config flake";
   inputs = {
-    nixpkgs.url = "nixpkgs/nixos-25.05";
+    nixpkgs.url = "nixpkgs/nixos-25.11";
     unstable.url = "nixpkgs/nixos-unstable";
 
     nid.url = "github:nix-community/nix-index-database";
diff --git a/hosts/crayon/mailserver.nix b/hosts/crayon/mailserver.nix
index 301781a..1a30bda 100644
--- a/hosts/crayon/mailserver.nix
+++ b/hosts/crayon/mailserver.nix
@@ -4,13 +4,14 @@
   # working :(
   imports = [
     (builtins.fetchTarball {
-      url = "https://gitlab.com/simple-nixos-mailserver/nixos-mailserver/-/archive/nixos-25.05/nixos-mailserver-nixos-25.05.tar.gz";
-      sha256 = "0la8v8d9vzhwrnxmmyz3xnb6vm76kihccjyidhfg6qfi3143fiwq";
+      url = "https://gitlab.com/simple-nixos-mailserver/nixos-mailserver/-/archive/nixos-25.11/nixos-mailserver-nixos-25.11.tar.gz";
+      sha256 = "16kanlk74xnj7xgmjsj7pahy31hlxqcbv76xnsg8qbh54b0hwxgq";
     })
   ];
 
   mailserver = {
     enable = true;
+    stateVersion = 3;
     fqdn = "mail.zacharyscheiman.com";
     domains = [ "zacharyscheiman.com" "squi.bid" ];
     messageSizeLimit = 2500000000; # 2.5GB