diff --git a/flake.nix b/flake.nix
index b88987d..76485de 100644
--- a/flake.nix
+++ b/flake.nix
@@ -15,14 +15,13 @@
       theme = "dark";       # dark or light
 
       nixpkgs-config = {
-        allowUnfree = true;
-        allowUnfreePredicate = (_: true);
+        allowUnfreePredicate = (pkg: true);
       };
 
       overlay-unstable = final: prev: {
         unstable = import nixpkgs-unstable {
           system = "x86_64-linux";
-          allowUnfree = true;
+          config.allowUnfreePredicate = (pkg: true);
         };
       };
     in