diff --git a/modules/nix/default.nix b/modules/nix/default.nix
index 0b14b26..278e0f8 100644
--- a/modules/nix/default.nix
+++ b/modules/nix/default.nix
@@ -15,6 +15,12 @@
         "@wheel"
       ];
       netrc-file = "/etc/nix/netrc";
+      substituters = [
+        "https://cache.aciceri.dev"
+      ];
+      trusted-public-keys = [
+        "cache.aciceri.dev~1:nJMfcBnYieY2WMbYDG0s9S5qUhU+V4RPL+X9zcxXxZY="
+      ];
     };
 
     extraOptions = ''