diff --git a/modules/presets/cli.nix b/modules/presets/cli.nix
index e737f20e..2b7b7615 100644
--- a/modules/presets/cli.nix
+++ b/modules/presets/cli.nix
@@ -46,8 +46,10 @@ in
       substituters = [
         # "https://cache.lix.systems"
         # "https://helix.cachix.org"
+        "https://attic.hailsatan.eu/xyno"
       ];
       trusted-public-keys = [
+        "xyno:l2mXaEYOj2kSjxT1dbP1iVya1bBXmKuO7jRXUZohi8c="
         # "cache.lix.systems:aBnZUw8zA7H35Cz2RyKFVs3H4PlGTLawyY5KRbvJR8o="
         # "helix.cachix.org-1:ejp9KQpR1FBI2onstMQ34yogDm4OgU2ru6lIwPvuCVs="
       ];