diff --git a/hosts/containers/hydra/hydra.nix b/hosts/containers/hydra/hydra.nix
index 6ada1b68..31f5a312 100644
--- a/hosts/containers/hydra/hydra.nix
+++ b/hosts/containers/hydra/hydra.nix
@@ -1,6 +1,8 @@
 { config, pkgs, ... }:
 
-{
+let
+  nix-build = "client@172.22.99.156";
+in {
   nix = {
     binaryCaches =
       [ "https://cache.nixos.org" "https://genodepkgs.cachix.org" ];
@@ -11,12 +13,22 @@
       allowed-uris = http:// https://
     '';
     trustedUsers = [ "hydra" ];
-    buildMachines = [{
+    buildMachines = [ {
       hostName = "localhost";
       system = "x86_64-linux";
       supportedFeatures = [ "kvm" "nixos-test" "big-parallel" "benchmark" ];
       maxJobs = 4;
-    }];
+    } {
+      hostName = nix-build;
+      system = "x86_64-linux";
+      supportedFeatures = [ "nixos-test" "big-parallel" "benchmark" ];
+      maxJobs = 4;
+    } {
+      hostName = nix-build;
+      system = "aarch64-linux";
+      supportedFeatures = [ "nixos-test" "big-parallel" "benchmark" ];
+      maxJobs = 4;
+    } ];
   };
 
   services.hydra = {