Make work

flake.nix

@@ -2,12 +2,17 @@
   description = "open webui flake";
 
   inputs = {
-    nixpkgs.url = "github:nixos/nixpkgs/nixpkgs-unstable";
+    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
   };
 
-  outputs = {...} @ inputs: let
+  outputs = {nixpkgs, ...} @ inputs: let
     system = "x86_64-linux";
-    pkgs = inputs.nixpkgs.legacyPackages.${system};
+    pkgs = import nixpkgs {
+      inherit system;
+      config = {
+        allowUnfree = true;
+      };
+    };
   in {
     devShells.${system} = import ./shell.nix {
       inherit pkgs;