diff --git a/flake.nix b/flake.nix
index dcbaf9f..da75865 100644
--- a/flake.nix
+++ b/flake.nix
@@ -47,7 +47,12 @@
     let
       inherit (self);
 
-      overlay-unstable = final: prev: { unstable = nixpkgs-unstable.legacyPackages.${prev.system}; };
+      overlay-unstable = final: prev: {
+        unstable = import nixpkgs-unstable {
+          inherit (prev) system;
+          config.allowUnfree = true;
+        };
+      };
 
       mkNixos =
         system: modules:
diff --git a/home/packages.nix b/home/packages.nix
index e90bc11..3422db8 100644
--- a/home/packages.nix
+++ b/home/packages.nix
@@ -1,7 +1,7 @@
 { pkgs }:
 let
   corePkgs = with pkgs; [
-    claude-code
+    unstable.claude-code
     direnv
     fzf
     git