diff --git a/hosts/common/programs/errno.nix b/hosts/common/programs/errno.nix
index c87293a8d..e518e47a6 100644
--- a/hosts/common/programs/errno.nix
+++ b/hosts/common/programs/errno.nix
@@ -3,17 +3,13 @@
   sane.programs.errno = {
     # packageUnwrapped = pkgs.linkIntoOwnPackage pkgs.moreutils "bin/errno";
     # actually, don't build all of moreutils because not all of it builds for cross targets.
-    # some of this can be simplified after <https://github.com/NixOS/nixpkgs/pull/316446>
     packageUnwrapped = pkgs.moreutils.overrideAttrs (base: {
       makeFlags = (base.makeFlags or []) ++ [
         "BINS=errno"
         "MANS=errno.1"
         "PERLSCRIPTS=errno"  #< Makefile errors if empty, but this works :)
-        "INSTALL_BIN=install"
       ];
-      #v disable the perl-specific stuff
-      propagatedBuildInputs = [];
-      postInstall = "";
+      buildInputs = [];  #< errno has no runtime perl deps, and they don't cross compile, so disable them.
     });
 
     sandbox.method = "landlock";
diff --git a/pkgs/additional/nixpkgs/default.nix b/pkgs/additional/nixpkgs/default.nix
index 63437fc4d..09c85c979 100644
--- a/pkgs/additional/nixpkgs/default.nix
+++ b/pkgs/additional/nixpkgs/default.nix
@@ -27,12 +27,12 @@
 }:
 let
   lock = {
-    master.rev = "16e401f01842c5bb2499e78c1fe227f939c0c474";
-    master.sha256 = "sha256-nkUXwunTck+hNMt2wZuYRN+jf2ySRjKTzI0fo5TDH78=";
-    staging.rev = "16e401f01842c5bb2499e78c1fe227f939c0c474";
-    staging.sha256 = "sha256-nkUXwunTck+hNMt2wZuYRN+jf2ySRjKTzI0fo5TDH78=";
-    staging-next.rev = "16e401f01842c5bb2499e78c1fe227f939c0c474";
-    staging-next.sha256 = "sha256-nkUXwunTck+hNMt2wZuYRN+jf2ySRjKTzI0fo5TDH78=";
+    master.rev = "a0e6ea95efe196c07d146f4400e5602191903a40";
+    master.sha256 = "sha256-jHrmQfUnkIkpni5t5PjatcXeecOB7aUkkHlja7bE+ss=";
+    staging.rev = "a0e6ea95efe196c07d146f4400e5602191903a40";
+    staging.sha256 = "sha256-jHrmQfUnkIkpni5t5PjatcXeecOB7aUkkHlja7bE+ss=";
+    staging-next.rev = "a0e6ea95efe196c07d146f4400e5602191903a40";
+    staging-next.sha256 = "sha256-jHrmQfUnkIkpni5t5PjatcXeecOB7aUkkHlja7bE+ss=";
   };
   lock' = lock."${variant}";
   unpatchedSrc = fetchzip {
@@ -81,7 +81,7 @@ in
     src.overrideAttrs (base: {
       # attributes needed for update scripts
       pname = "nixpkgs";
-      version = "24.05-unstable-2024-07-10";
+      version = "24.05-unstable-2024-07-14";
       passthru = (base.passthru or {}) // nixpkgs // {
         src = unpatchedSrc // {
           inherit (lock') rev;