diff --git a/flake.lock b/flake.lock
--- a/flake.lock
+++ b/flake.lock
@@ -18,11 +18,11 @@
     },
     "nixpkgs-unstable": {
       "locked": {
-        "lastModified": 1692190437,
-        "narHash": "sha256-yJUZzmzSmDYb9ONPnMQDru66RjZgGQZRvj3tQebkexk=",
+        "lastModified": 1704161960,
+        "narHash": "sha256-QGua89Pmq+FBAro8NriTuoO/wNaUtugt29/qqA8zeeM=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "9b2aa98db6b10503666a50f4eb93b2fc0d57bde5",
+        "rev": "63143ac2c9186be6d9da6035fa22620018c85932",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
--- a/flake.nix
+++ b/flake.nix
@@ -26,6 +26,7 @@
       in
         import nixpkgs-unstable {
           inherit system;
+          config.allowUnfree = true;
           overlays = overlays ++ [
             # Re-introduce older packages that were removed in latest nixpkgs
             (_: _: {