diff --git a/flake.lock b/flake.lock
index 15a228e..158e19c 100644
--- a/flake.lock
+++ b/flake.lock
@@ -154,11 +154,11 @@
     "emacs-overlay_2": {
       "flake": false,
       "locked": {
-        "lastModified": 1673086123,
-        "narHash": "sha256-0gm7Zo/hR860E9MzTkSnr91gBg+GTpmE3EcNc9GFp3c=",
+        "lastModified": 1673838100,
+        "narHash": "sha256-iLNzJqL01hHuZcnxNoB7bqj65lfQtEAc7+krVW4R6ck=",
         "owner": "nix-community",
         "repo": "emacs-overlay",
-        "rev": "f5f51705d5d8886d2c9aba5e6a19484711175e3f",
+        "rev": "b63cf575927c768ad4dbc4a70f64201e59cf3da6",
         "type": "github"
       },
       "original": {
@@ -585,13 +585,29 @@
         "type": "github"
       }
     },
+    "nixpkgs-legacy": {
+      "locked": {
+        "lastModified": 1672580127,
+        "narHash": "sha256-3lW3xZslREhJogoOkjeZtlBtvFMyxHku7I/9IVehhT8=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "0874168639713f547c05947c76124f78441ea46c",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-22.05",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
     "nixpkgs-stable": {
       "locked": {
-        "lastModified": 1672500394,
-        "narHash": "sha256-yzwBzCoeRBoRzm7ySHhm72kBG0QjgFalLz2FY48iLI4=",
+        "lastModified": 1673740915,
+        "narHash": "sha256-MMH8zONfqahgHly3K8/A++X34800rajA/XgZ2DzNL/M=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "feda52be1d59f13b9aa02f064b4f14784b9a06c8",
+        "rev": "7c65528c3f8462b902e09d1ccca23bb9034665c2",
         "type": "github"
       },
       "original": {
@@ -603,11 +619,11 @@
     },
     "nixpkgs-unstable": {
       "locked": {
-        "lastModified": 1672953546,
-        "narHash": "sha256-oz757DnJ1ITvwyTovuwG3l9cX6j9j6/DH9eH+cXFJmc=",
+        "lastModified": 1673631141,
+        "narHash": "sha256-AprpYQ5JvLS4wQG/ghm2UriZ9QZXvAwh1HlgA/6ZEVQ=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "a518c77148585023ff56022f09c4b2c418a51ef5",
+        "rev": "befc83905c965adfd33e5cae49acb0351f6e0404",
         "type": "github"
       },
       "original": {
@@ -634,11 +650,11 @@
     },
     "nixpkgs_3": {
       "locked": {
-        "lastModified": 1672968032,
-        "narHash": "sha256-26Jns3GmHem44a06UN5Rj/KOD9qNJThyQrom02Ijur8=",
+        "lastModified": 1673704454,
+        "narHash": "sha256-5Wdj1MgdOgn3+dMFIBtg+IAYZApjF8JzwLWDPieg0C4=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "2dea8991d89b9f1e78d874945f78ca15f6954289",
+        "rev": "a83ed85c14fcf242653df6f4b0974b7e1c73c6c6",
         "type": "github"
       },
       "original": {
@@ -664,11 +680,11 @@
     },
     "nixpkgs_5": {
       "locked": {
-        "lastModified": 1672428209,
-        "narHash": "sha256-eejhqkDz2cb2vc5VeaWphJz8UXNuoNoM8/Op8eWv2tQ=",
+        "lastModified": 1673606088,
+        "narHash": "sha256-wdYD41UwNwPhTdMaG0AIe7fE1bAdyHe6bB4HLUqUvck=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "293a28df6d7ff3dec1e61e37cc4ee6e6c0fb0847",
+        "rev": "37b97ae3dd714de9a17923d004a2c5b5543dfa6d",
         "type": "github"
       },
       "original": {
@@ -833,11 +849,11 @@
     "retiolum": {
       "flake": false,
       "locked": {
-        "lastModified": 1673003932,
-        "narHash": "sha256-ohPcnO+H9cpnrAyjW2463xPxSbFNDH7tJgVsQhuruvY=",
+        "lastModified": 1673744639,
+        "narHash": "sha256-3mcre4Rp86xhPwpTqBLZbX3YX7F5P7ySW9e7tckZ+YM=",
         "owner": "krebs",
         "repo": "retiolum",
-        "rev": "ae2cd4e3765299f8aa1a7fc821d78aa96472a49b",
+        "rev": "dbe439afc45434b0e53fa3c88ee37e07dad922d5",
         "type": "github"
       },
       "original": {
@@ -874,6 +890,7 @@
         "landingpage": "landingpage",
         "nixpkgs": "nixpkgs_3",
         "nixpkgs-fmt": "nixpkgs-fmt",
+        "nixpkgs-legacy": "nixpkgs-legacy",
         "nixpkgs-unstable": "nixpkgs-unstable",
         "permown": "permown",
         "polygon-art": "polygon-art",
@@ -955,11 +972,11 @@
         "nixpkgs-stable": "nixpkgs-stable"
       },
       "locked": {
-        "lastModified": 1672543202,
-        "narHash": "sha256-nlCUtcIZxaBqUBG1GyaXhZmfyG5WK4e6LqypP8llX9E=",
+        "lastModified": 1673752321,
+        "narHash": "sha256-EFfXY1ZHJq4FNaNQA9x0djtu/jiOhBbT0Xi+BT06cJw=",
         "owner": "Mic92",
         "repo": "sops-nix",
-        "rev": "b35586cc5abacd4eba9ead138b53e2a60920f781",
+        "rev": "e18eefd2b133a58309475298052c341c08470717",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index 5319449..0196414 100644
--- a/flake.nix
+++ b/flake.nix
@@ -15,6 +15,7 @@
       inputs.nixpkgs.follows = "nixpkgs";
     };
     nixpkgs-unstable.url = "github:nixos/nixpkgs/nixos-unstable";
+    nixpkgs-legacy.url = "github:nixos/nixpkgs/nixos-22.05";
     polygon-art = {
       url = "git+https://git.ingolf-wagner.de/palo/polygon-art.git";
     };
@@ -79,6 +80,7 @@
     , nixpkgs
     , nixpkgs-fmt
     , nixpkgs-unstable
+    , nixpkgs-legacy
     , polygon-art
     , private_assets
     , permown
@@ -134,6 +136,7 @@
                 (_self: _super: {
                   # we assign the overlay created before to the overlays of nixpkgs.
                   unstable = nixpkgs-unstable.legacyPackages.${pkgs.system};
+                  legacy = nixpkgs-legacy.legacyPackages.${pkgs.system};
                   polygon-art = polygon-art.packages.${pkgs.system};
                   landingpage = landingpage.packages.${pkgs.system}.plain;
                 })
diff --git a/nixos/machines/sterni/packages.nix b/nixos/machines/sterni/packages.nix
index 9c99534..cd6813e 100644
--- a/nixos/machines/sterni/packages.nix
+++ b/nixos/machines/sterni/packages.nix
@@ -76,7 +76,7 @@ in
     # --------------
     #element-desktop
     #fractal
-    mirage-im
+    legacy.mirage-im
 
     tor-browser-bundle-bin
     #(tor-browser-bundle-bin.overrideAttrs (old: rec {