diff --git a/flake.lock b/flake.lock
index db0ffe30..175d3f6a 100644
--- a/flake.lock
+++ b/flake.lock
@@ -82,11 +82,11 @@
     },
     "nixpkgs-unpatched": {
       "locked": {
-        "lastModified": 1681322481,
-        "narHash": "sha256-ny0d1KvMuagYdyM2LryZXF4yP+LY7gNXk9BDGPOqPIw=",
+        "lastModified": 1681365682,
+        "narHash": "sha256-hboxfU6YYRBZ6BRnBayIZA2VrdWKpAgeBhplQkBJ3rc=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "cab3b7f3356fa82bfab449fa1bb7b54092dc8e17",
+        "rev": "915c0fab841cc88045e00778b8e7fbdbdbd7d1aa",
         "type": "github"
       },
       "original": {
diff --git a/hosts/common/cross/default.nix b/hosts/common/cross/default.nix
index c518e2a3..8759ef44 100644
--- a/hosts/common/cross/default.nix
+++ b/hosts/common/cross/default.nix
@@ -272,6 +272,7 @@ in
     nixpkgs.config.perlPackageOverrides = pkgs: (with pkgs; with pkgs.perlPackages; {
       # these are the upstream nixpkgs perl modules, but with `nativeBuildInputs = [ perl ]`
       # to fix cross compilation errors
+      # TODO: try this PR: https://github.com/NixOS/nixpkgs/pull/225640
       ModuleBuild = buildPerlPackage {
         pname = "Module-Build";
         version = "0.4231";