diff --git a/flake.lock b/flake.lock
index 13aec51..e326eba 100644
--- a/flake.lock
+++ b/flake.lock
@@ -259,18 +259,18 @@
         "type": "github"
       }
     },
-    "nixpkgs-22_05": {
+    "nixpkgs-22_11": {
       "locked": {
-        "lastModified": 1654936503,
-        "narHash": "sha256-soKzdhI4jTHv/rSbh89RdlcJmrPgH8oMb/PLqiqIYVQ=",
+        "lastModified": 1673957332,
+        "narHash": "sha256-njH7Szk1BLVWGMw7IRibgGejSlxXHj9saZHfH20gHdk=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "dab6df51387c3878cdea09f43589a15729cae9f4",
+        "rev": "b83e7f5a04a3acc8e92228b0c4bae68933d504eb",
         "type": "github"
       },
       "original": {
         "id": "nixpkgs",
-        "ref": "nixos-22.05",
+        "ref": "nixos-22.11",
         "type": "indirect"
       }
     },
@@ -358,20 +358,20 @@
         "nixpkgs": [
           "nixpkgs"
         ],
-        "nixpkgs-22_05": "nixpkgs-22_05",
+        "nixpkgs-22_11": "nixpkgs-22_11",
         "utils": "utils_2"
       },
       "locked": {
-        "lastModified": 1655930346,
-        "narHash": "sha256-ht56HHOzEhjeIgAv5ZNFjSVX/in1YlUs0HG9c1EUXTM=",
+        "lastModified": 1671659164,
+        "narHash": "sha256-DbpT+v1POwFOInbrDL+vMbYV3mVbTkMxmJ5j50QnOcA=",
         "owner": "simple-nixos-mailserver",
         "repo": "nixos-mailserver",
-        "rev": "f535d8123c4761b2ed8138f3d202ea710a334a1d",
+        "rev": "bc667fb6afc45f6cc2d118ab77658faf2227cffd",
         "type": "gitlab"
       },
       "original": {
         "owner": "simple-nixos-mailserver",
-        "ref": "nixos-22.05",
+        "ref": "nixos-22.11",
         "repo": "nixos-mailserver",
         "type": "gitlab"
       }
diff --git a/flake.nix b/flake.nix
index cf962b5..6df899a 100644
--- a/flake.nix
+++ b/flake.nix
@@ -30,7 +30,7 @@
     };
 
     simple-nixos-mailserver = {
-      url = "gitlab:simple-nixos-mailserver/nixos-mailserver/nixos-22.05";
+      url = "gitlab:simple-nixos-mailserver/nixos-mailserver/nixos-22.11";
       inputs.nixpkgs.follows = "nixpkgs";
     };