diff --git a/hosts/hydra/hydra.nix b/hosts/hydra/hydra.nix
index 5864ec7e..7e4580bb 100644
--- a/hosts/hydra/hydra.nix
+++ b/hosts/hydra/hydra.nix
@@ -4,8 +4,10 @@
   nix = {
     binaryCaches = [
       "https://cache.nixos.org"
+      "https://genodepkgs.cachix.org"
     ];
     binaryCachePublicKeys = [
+      "genodepkgs.cachix.org-1:j6xcYrUP9Q9c+WbS+MbkJR26cqeytOVdC4SmhOYj2Sw="
     ];
     extraOptions = ''
       allowed-uris = http:// https://