diff --git a/flake.nix b/flake.nix
index f4968b44..e5d6a890 100644
--- a/flake.nix
+++ b/flake.nix
@@ -7,6 +7,7 @@
     # NixOS packages
     stable-nixpkgs.url   = "nixpkgs/nixos-23.05";
     unstable-nixpkgs.url = "nixpkgs/nixos-unstable";
+    master-nixpkgs.url   = "nixpkgs/master";
 
     # Manage dotfiles in a home directory
     home-manager.url = "github:nix-community/home-manager/release-23.05";
@@ -27,7 +28,7 @@
     sops-nix.url = "github:Mic92/sops-nix";
   };
 
-  outputs = { stable-nixpkgs, unstable-nixpkgs, home-manager, lanzaboote, nur, sops-nix, /*nixos-hardware,*/ ... }@inputs:
+  outputs = { stable-nixpkgs, unstable-nixpkgs, master-nixpkgs, home-manager, lanzaboote, nur, sops-nix, /*nixos-hardware,*/ ... }@inputs:
   let
     # Variables - Remember to set these
     hostname = "nixos-laptop";
@@ -43,6 +44,11 @@
       config = { allowUnfree = true; };
     };
 
+    master = import master-nixpkgs { 
+      inherit system;
+      config = { allowUnfree = true; };
+    }
+
     lib = stable-nixpkgs.lib;
   in {
     # NixOS Configuration files:
@@ -52,6 +58,7 @@
         inherit system;
         specialArgs = { 
           inherit unstable;
+          inherit master;
           inherit hostname;
         };
         modules = [
diff --git a/hosts/nixos-laptop/configuration.nix b/hosts/nixos-laptop/configuration.nix
index 400772af..031aaba6 100644
--- a/hosts/nixos-laptop/configuration.nix
+++ b/hosts/nixos-laptop/configuration.nix
@@ -1,4 +1,4 @@
-{ lib, config, pkgs, ... }: {
+{ lib, config, pkgs, master, ... }: {
 
   # Set your time zone.
   time.timeZone = "Asia/Tokyo";
@@ -32,7 +32,7 @@
     opengl.driSupport = true;
     # opengl.extraPackages = with pkgs; [ nvidia-vaapi-driver ];
     
-    nvidia = { 
+    nvidia = with master.pkgs { 
       open = false;
       package = config.boot.kernelPackages.nvidiaPackages.stable;
       # powerManagement.finegrained = true;