diff --git a/flake.lock b/flake.lock
index 2d0cd86..9f825d3 100644
--- a/flake.lock
+++ b/flake.lock
@@ -16,9 +16,25 @@
         "type": "github"
       }
     },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1685655444,
+        "narHash": "sha256-6EujQNAeaUkWvpEZZcVF8qSfQrNVWFNNGbUJxv/A5a8=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "e635192892f5abbc2289eaac3a73cdb249abaefd",
+        "type": "github"
+      },
+      "original": {
+        "id": "nixpkgs",
+        "ref": "nixos-unstable",
+        "type": "indirect"
+      }
+    },
     "root": {
       "inputs": {
-        "flake-compat": "flake-compat"
+        "flake-compat": "flake-compat",
+        "nixpkgs": "nixpkgs"
       }
     }
   },
diff --git a/flake.nix b/flake.nix
index 0a604ff..00c9b49 100644
--- a/flake.nix
+++ b/flake.nix
@@ -1,14 +1,15 @@
 {
   description = "Soothing pastel theme for Nix";
   inputs = {
+    nixpkgs.url = "nixpkgs/nixos-unstable";
     flake-compat = {
       url = "github:edolstra/flake-compat";
       flake = false;
     };
   };
 
-  outputs = _: {
-    nixosModules.catppuccin = import ./modules/nixos;
-    homeManagerModules.catppuccin = import ./modules/home-manager;
+  outputs = { nixpkgs, ... }: {
+    nixosModules.catppuccin = import ./modules/nixos nixpkgs;
+    homeManagerModules.catppuccin = import ./modules/home-manager nixpkgs;
   };
 }
diff --git a/modules/home-manager/default.nix b/modules/home-manager/default.nix
index 3999379..b5a7a4d 100644
--- a/modules/home-manager/default.nix
+++ b/modules/home-manager/default.nix
@@ -1,6 +1,6 @@
-{ config, pkgs, lib, ... }:
+nixpkgs: { config, pkgs, lib, ... }:
 let
-  extendedLib = import ../lib/mkExtLib.nix lib;
+  extendedLib = import ../lib/mkExtLib.nix nixpkgs.lib;
 in
 {
   imports =
diff --git a/modules/nixos/default.nix b/modules/nixos/default.nix
index 884f888..0d4ff6a 100644
--- a/modules/nixos/default.nix
+++ b/modules/nixos/default.nix
@@ -1,6 +1,6 @@
-{ config, pkgs, lib, ... }:
+nixpkgs: { config, pkgs, lib, ... }:
 let
-  extendedLib = import ../lib/mkExtLib.nix lib;
+  extendedLib = import ../lib/mkExtLib.nix nixpkgs.lib;
 in
 {
   imports =