diff --git a/flake.lock b/flake.lock
index cee31b6..0631b67 100644
--- a/flake.lock
+++ b/flake.lock
@@ -71,6 +71,22 @@
         "type": "github"
       }
     },
+    "flake-compat_2": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1717312683,
+        "narHash": "sha256-FrlieJH50AuvagamEvWMIE6D2OAnERuDboFDYAED/dE=",
+        "owner": "nix-community",
+        "repo": "flake-compat",
+        "rev": "38fd3954cf65ce6faf3d0d45cd26059e059f07ea",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "flake-compat",
+        "type": "github"
+      }
+    },
     "gitignore": {
       "inputs": {
         "nixpkgs": [
@@ -405,6 +421,29 @@
         "type": "github"
       }
     },
+    "nixos-cosmic": {
+      "inputs": {
+        "flake-compat": "flake-compat_2",
+        "nixpkgs": [
+          "nixpkgs"
+        ],
+        "nixpkgs-stable": "nixpkgs-stable",
+        "rust-overlay": "rust-overlay"
+      },
+      "locked": {
+        "lastModified": 1746109800,
+        "narHash": "sha256-sjDpqdvbQaiA6OAsgLE4niz6hmmCpoUH0cl5zyfu6FI=",
+        "owner": "lilyinstarlight",
+        "repo": "nixos-cosmic",
+        "rev": "9fe1aa7b6a1043003b38f36626dd29b52247d720",
+        "type": "github"
+      },
+      "original": {
+        "owner": "lilyinstarlight",
+        "repo": "nixos-cosmic",
+        "type": "github"
+      }
+    },
     "nixos-hardware": {
       "locked": {
         "lastModified": 1745955289,
@@ -437,6 +476,22 @@
         "type": "github"
       }
     },
+    "nixpkgs-stable": {
+      "locked": {
+        "lastModified": 1746055187,
+        "narHash": "sha256-3dqArYSMP9hM7Qpy5YWhnSjiqniSaT2uc5h2Po7tmg0=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "3e362ce63e16b9572d8c2297c04f7c19ab6725a5",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-24.11",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
     "nixpkgs-unstable": {
       "locked": {
         "lastModified": 1745930157,
@@ -505,6 +560,7 @@
         "home-manager": "home-manager",
         "hyprland": "hyprland",
         "hyprland-plugins": "hyprland-plugins",
+        "nixos-cosmic": "nixos-cosmic",
         "nixos-hardware": "nixos-hardware",
         "nixpkgs": "nixpkgs",
         "nixpkgs-unstable": "nixpkgs-unstable",
@@ -512,6 +568,27 @@
         "sops-nix": "sops-nix"
       }
     },
+    "rust-overlay": {
+      "inputs": {
+        "nixpkgs": [
+          "nixos-cosmic",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1746067100,
+        "narHash": "sha256-6JeEbboDvRjLwB9kzCnmWj+f+ZnMtKOe5c2F1VBpaTs=",
+        "owner": "oxalica",
+        "repo": "rust-overlay",
+        "rev": "026e8fedefd6b167d92ed04b195c658d95ffc7a5",
+        "type": "github"
+      },
+      "original": {
+        "owner": "oxalica",
+        "repo": "rust-overlay",
+        "type": "github"
+      }
+    },
     "sops-nix": {
       "inputs": {
         "nixpkgs": [
diff --git a/flake.nix b/flake.nix
index f275c8e..ae38098 100644
--- a/flake.nix
+++ b/flake.nix
@@ -30,6 +30,10 @@
       url = "github:hyprwm/hyprland-plugins";
       inputs.hyprland.follows = "hyprland";
     };
+    nixos-cosmic = {
+      url = "github:lilyinstarlight/nixos-cosmic";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
   };
 
   outputs = {
@@ -37,6 +41,7 @@
     nixpkgs-unstable,
     nixos-hardware,
     home-manager,
+    nixos-cosmic,
     ...
   } @ inputs: let
     system = "x86_64-linux";
@@ -55,8 +60,15 @@
         };
         modules = [
           ({...}: {nixpkgs.overlays = [overlay-unstable];})
+          {
+            nix.settings = {
+              substituters = ["https://cosmic.cachix.org/"];
+              trusted-public-keys = ["cosmic.cachix.org-1:Dya9IyXD4xdBehWjrkPv6rtxpmMdRel02smYzA85dPE="];
+            };
+          }
           nixos-hardware.nixosModules.lenovo-thinkpad-t14-amd-gen1
           inputs.sops-nix.nixosModules.sops
+          nixos-cosmic.nixosModules.default
           ./hosts/comfy-station/configuration.nix
         ];
       };