diff --git a/lib/builders.nix b/lib/builders.nix
index ac1ea0f..8c890fd 100644
--- a/lib/builders.nix
+++ b/lib/builders.nix
@@ -3,6 +3,13 @@
 let
   lib = nixpkgs.lib.extend (import ../lib);
 
+  makePkgs = system: (import nixpkgs {
+    inherit system;
+
+    config.allowUnfree = true;
+    overlays = [ self.overlays.default ];
+  });
+
   inherit (inputs.home-manager.lib) homeManagerConfiguration;
   inherit (nixpkgs.lib) nixosSystem;
   inherit (lib.strings) optionalString;
@@ -14,8 +21,9 @@ rec {
     nameValuePair
       hostname
       (nixosSystem {
-        inherit system;
+        pkgs = makePkgs system;
         specialArgs = { inherit inputs lib self; };
+
         modules = [
           ../hosts/${hostname}/hardware-configuration.nix
           ../hosts/${hostname}/configuration.nix
@@ -39,7 +47,7 @@ rec {
     nameValuePair
       "${user}${hostStr}"
       (homeManagerConfiguration {
-        pkgs = nixpkgs.legacyPackages.${system};
+        pkgs = makePkgs system;
         extraSpecialArgs = {
           inherit inputs self;
           lib = lib.extend (_: _: inputs.home-manager.lib);