diff --git a/flake.lock b/flake.lock
index 2a9066c..f26b072 100644
--- a/flake.lock
+++ b/flake.lock
@@ -75,26 +75,41 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1669546925,
-        "narHash": "sha256-Gvtk9agz88tBgqmCdHl5U7gYttTkiuEd8/Rq1Im0pTg=",
+        "lastModified": 1671883564,
+        "narHash": "sha256-C15oAtyupmLB3coZY7qzEHXjhtUx/+77olVdqVMruAg=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "fecf05d4861f3985e8dee73f08bc82668ef75125",
+        "rev": "dac57a4eccf1442e8bf4030df6fcbb55883cb682",
         "type": "github"
       },
       "original": {
         "id": "nixpkgs",
-        "ref": "nixos-22.05",
+        "ref": "nixos-22.11",
+        "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-unstable": {
       "locked": {
-        "lastModified": 1669542132,
-        "narHash": "sha256-DRlg++NJAwPh8io3ExBJdNW7Djs3plVI5jgYQ+iXAZQ=",
+        "lastModified": 1672262501,
+        "narHash": "sha256-ZNXqX9lwYo1tOFAqrVtKTLcJ2QMKCr3WuIvpN8emp7I=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "a115bb9bd56831941be3776c8a94005867f316a7",
+        "rev": "e182da8622a354d44c39b3d7a542dc12cd7baa5f",
         "type": "github"
       },
       "original": {
@@ -119,22 +134,20 @@
         "nixpkgs": [
           "nixpkgs-unstable"
         ],
-        "nixpkgs-22_05": [
-          "nixpkgs"
-        ],
+        "nixpkgs-22_11": "nixpkgs-22_11",
         "utils": "utils"
       },
       "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"
       }