diff --git a/hosts/default.nix b/hosts/default.nix
index d12c0f3..910b24b 100644
--- a/hosts/default.nix
+++ b/hosts/default.nix
@@ -90,7 +90,7 @@ in
       lanzaboote.nixosModules.lanzaboote
       ./steamdeck
       ./configuration_desktop.nix
-      ../modules/hardware/remoteClient.nix
+      ../modules/hardware/hydraCache.nix
       nixos-hardware.nixosModules.common-cpu-amd
       nixos-hardware.nixosModules.common-gpu-amd
       nixos-hardware.nixosModules.common-pc-ssd
diff --git a/modules/hardware/hydraCache.nix b/modules/hardware/hydraCache.nix
new file mode 100644
index 0000000..8b425fc
--- /dev/null
+++ b/modules/hardware/hydraCache.nix
@@ -0,0 +1,16 @@
+
+{ config, lib, pkgs, ... }:
+
+{
+  nix = {
+    settings = {
+      extra-trusted-public-keys = [
+        "hades-builder:AFdPgi6Qq/yKqc2V2imgzMikEkVEFCrDaHyAmOJ3MII="
+      ];
+      extra-trusted-substituters = [
+        "http://dmz.home.opel-online.de:3000/project/jovian/channel/latest"
+      ];
+    };
+  };
+  
+}