diff --git a/overlays/nur.nix b/overlays/nur.nix
index 8830522..d44504c 100644
--- a/overlays/nur.nix
+++ b/overlays/nur.nix
@@ -3,7 +3,7 @@ pkgs: final: prev:
 {
   nur = import (builtins.fetchTarball {
     url = "https://github.com/nix-community/NUR/archive/master.tar.gz";
-    sha256 = "0wz80fm1apnv5wpg4rmj91vvnpbzi39fv91mvxr98rqvpl8fqh2c";
+    sha256 = "08s9wk0303vxpi9waf77jz96z9nmfhgaciwxc37jyy1zib7wh6h9";
   }) {
     inherit pkgs;
   };
diff --git a/overlays/unstable.nix b/overlays/unstable.nix
index 09226d1..e29936a 100644
--- a/overlays/unstable.nix
+++ b/overlays/unstable.nix
@@ -6,5 +6,12 @@ let
     fetchTarball
       https://github.com/NixOS/nixpkgs/archive/nixos-unstable.tar.gz;
 in {
-  unstable = import unstableTarball {};
+  unstable = import unstableTarball {
+    # TODO
+   #allowUnfreePredicate = pkg: builtins.elem (lib.getName pkg) [
+   #  "firmwareLinuxNonfree" "microcodeAmd" "microcodeIntel"
+   #  "steam" "steam-original" "steam-runtime"
+   #  "discord"
+   #];
+  };
 }