diff --git a/flake.lock b/flake.lock
index 451307b2..f7f7fe5d 100644
--- a/flake.lock
+++ b/flake.lock
@@ -207,11 +207,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1673948101,
-        "narHash": "sha256-cD0OzFfnLFeeaz4jVszH9QiMTn+PBxmcYzrp+xujpwM=",
+        "lastModified": 1674041176,
+        "narHash": "sha256-cMf1BQzI39nHQ0H/mOatthbbI3392qLmJ9gU0u520P4=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "bd3efacb82c721edad1ce9eda583df5fb62ab00a",
+        "rev": "2c29ae48f9a149151bdd82f429ac61d4412c312a",
         "type": "github"
       },
       "original": {
@@ -227,7 +227,9 @@
         "nixpkgs": [
           "nixpkgs"
         ],
-        "nixpkgs-22_11": "nixpkgs-22_11",
+        "nixpkgs-22_11": [
+          "nixpkgs-22_11"
+        ],
         "utils": [
           "flake-utils"
         ]
@@ -248,11 +250,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1673631141,
-        "narHash": "sha256-AprpYQ5JvLS4wQG/ghm2UriZ9QZXvAwh1HlgA/6ZEVQ=",
+        "lastModified": 1673796341,
+        "narHash": "sha256-1kZi9OkukpNmOaPY7S5/+SlCDOuYnP3HkXHvNDyLQcc=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "befc83905c965adfd33e5cae49acb0351f6e0404",
+        "rev": "6dccdc458512abce8d19f74195bb20fdb067df50",
         "type": "github"
       },
       "original": {
@@ -264,26 +266,27 @@
     },
     "nixpkgs-22_11": {
       "locked": {
-        "lastModified": 1669558522,
-        "narHash": "sha256-yqxn+wOiPqe6cxzOo4leeJOp1bXE/fjPEi/3F/bBHv8=",
-        "owner": "NixOS",
+        "lastModified": 1673800717,
+        "narHash": "sha256-SFHraUqLSu5cC6IxTprex/nTsI81ZQAtDvlBvGDWfnA=",
+        "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "ce5fe99df1f15a09a91a86be9738d68fadfbad82",
+        "rev": "2f9fd351ec37f5d479556cd48be4ca340da59b8f",
         "type": "github"
       },
       "original": {
-        "id": "nixpkgs",
+        "owner": "nixos",
         "ref": "nixos-22.11",
-        "type": "indirect"
+        "repo": "nixpkgs",
+        "type": "github"
       }
     },
     "nur": {
       "locked": {
-        "lastModified": 1674021312,
-        "narHash": "sha256-kW00Hpb2jqX7zDHnw/us7DH4lChTa6DoVcZZrd9CKwE=",
+        "lastModified": 1674056681,
+        "narHash": "sha256-CS0CwyFk3FYK6QTNuVJFjqZGg5qo5FuvrcNHwJE31ww=",
         "owner": "nix-community",
         "repo": "NUR",
-        "rev": "993b34d7fc525534c59229312c1ff21a976def54",
+        "rev": "ca61de8ba6f480b688a05b505c24495e88a4eb76",
         "type": "github"
       },
       "original": {
@@ -304,6 +307,7 @@
         "home-manager": "home-manager",
         "nixos-mailserver": "nixos-mailserver",
         "nixpkgs": "nixpkgs",
+        "nixpkgs-22_11": "nixpkgs-22_11",
         "nur": "nur",
         "tetris": "tetris",
         "utils": "utils",
diff --git a/flake.nix b/flake.nix
index 0a380df9..e085c547 100644
--- a/flake.nix
+++ b/flake.nix
@@ -58,10 +58,12 @@
       url = "gitlab:simple-nixos-mailserver/nixos-mailserver";
       inputs = {
         nixpkgs.follows = "nixpkgs";
+        nixpkgs-22_11.follows = "nixpkgs-22_11";
         utils.follows = "flake-utils";
       };
     };
     nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
+    nixpkgs-22_11.url = "github:nixos/nixpkgs/nixos-22.11";
     nur.url = "github:nix-community/NUR";
     tetris = {
       url = "github:chvp/tetris";
@@ -87,7 +89,7 @@
     };
   };
 
-  outputs = inputs@{ self, nixpkgs, accentor, accentor-api, accentor-web, agenix, devshell, emacs-overlay, flake-utils, home-manager, nixos-mailserver, nur, tetris, utils, www-chvp-be }:
+  outputs = inputs@{ self, nixpkgs, nixpkgs-22_11, accentor, accentor-api, accentor-web, agenix, devshell, emacs-overlay, flake-utils, home-manager, nixos-mailserver, nur, tetris, utils, www-chvp-be }:
     utils.lib.mkFlake {
       inherit self inputs;
       channels.nixpkgs = {
@@ -100,6 +102,7 @@
           (self: super: {
             tetris = tetris.packages.${self.system}.default;
             udp2raw = self.callPackage ./packages/udp2raw { };
+            mastodon = nixpkgs-22_11.legacyPackages.${self.system}.mastodon;
           })
           nur.overlay
           www-chvp-be.overlay