diff --git a/hosts/containers/hydra/hydra.nix b/hosts/containers/hydra/hydra.nix
index ea75c1eb..ab29df4d 100644
--- a/hosts/containers/hydra/hydra.nix
+++ b/hosts/containers/hydra/hydra.nix
@@ -10,6 +10,13 @@
     extraOptions = ''
       allowed-uris = http:// https://
     '';
+    trustedUsers = [ "hydra" ];
+    buildMachines = [{
+      hostName = "localhost";
+      system = "x86_64-linux";
+      supportedFeatures = [ "kvm" "nixos-test" "big-parallel" "benchmark" ];
+      maxJobs = 4;
+    }];
   };
 
   services.hydra = {