diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index cf84488..38c5208 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -14,7 +14,7 @@ jobs:
           - nixos-23.05
           - nixos-unstable
         os:
-          - nscloud-ubuntu-22.04-arm64-4x16
+          #- nscloud-ubuntu-22.04-arm64-4x16
           - ubuntu-latest
     runs-on: ${{ matrix.os }}
     steps:
diff --git a/flake.lock b/flake.lock
index ce35ca5..14f519c 100644
--- a/flake.lock
+++ b/flake.lock
@@ -2,32 +2,32 @@
   "nodes": {
     "nixos-2305": {
       "locked": {
-        "lastModified": 1686817182,
-        "narHash": "sha256-UbgN7GZ/OOUfhZlY2L5cH7RbwUHI6/7m6rTPPNP3Cmc=",
-        "owner": "Mic92",
+        "lastModified": 1691155011,
+        "narHash": "sha256-O15tC0ysw+fcacEbOzrDrkVNIR+SgtArSGvpgsEqpvA=",
+        "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "15384bf882f524e3a08ed7cb86c811de5b75ba5a",
+        "rev": "9652a97d9738d3e65cf33c0bc24429e495a7868f",
         "type": "github"
       },
       "original": {
-        "owner": "Mic92",
-        "ref": "fix-aarch64-zfs-backport",
+        "owner": "NixOS",
+        "ref": "release-23.05",
         "repo": "nixpkgs",
         "type": "github"
       }
     },
     "nixos-unstable": {
       "locked": {
-        "lastModified": 1686906453,
-        "narHash": "sha256-KfOEs99bjNH+chlUcFqHAQo29tJE+J5EPoZr2kGU2f8=",
+        "lastModified": 1691180400,
+        "narHash": "sha256-3XvIucYLBKM9xML1QH4fGSB9HFQ3me36ejJo9gTyuDE=",
         "owner": "Mic92",
         "repo": "nixpkgs",
-        "rev": "d4cab20b3a76fef4b9a487c37107df6351ebce33",
+        "rev": "52a39dea62074a5d47001e86646f71dff78ffcad",
         "type": "github"
       },
       "original": {
         "owner": "Mic92",
-        "ref": "fix-aarch64-zfs",
+        "ref": "netboot-fix",
         "repo": "nixpkgs",
         "type": "github"
       }
diff --git a/flake.nix b/flake.nix
index 77aab25..2dd1588 100644
--- a/flake.nix
+++ b/flake.nix
@@ -1,12 +1,9 @@
 {
   description = "NixOS images";
 
-  # see https://github.com/NixOS/nixpkgs/pull/237873
-  #inputs.nixos-unstable.url = "github:NixOS/nixpkgs/nixos-unstable-small";
-  inputs.nixos-unstable.url = "github:Mic92/nixpkgs/fix-aarch64-zfs";
-  # see https://github.com/NixOS/nixpkgs/pull/237875
-  #inputs.nixos-2305.url = "github:NixOS/nixpkgs/release-23.05";
-  inputs.nixos-2305.url = "github:Mic92/nixpkgs/fix-aarch64-zfs-backport";
+  # https://github.com/nix-community/nixos-images/pull/123
+  inputs.nixos-unstable.url = "github:Mic92/nixpkgs/netboot-fix";
+  inputs.nixos-2305.url = "github:NixOS/nixpkgs/release-23.05";
 
   nixConfig.extra-substituters = [
     "https://cache.garnix.io"