diff --git a/flake.nix b/flake.nix
index 4fc26b8..fb4824f 100644
--- a/flake.nix
+++ b/flake.nix
@@ -6,6 +6,16 @@
     naersk.url  = "github:nix-community/naersk";
     utils.url   = "github:numtide/flake-utils";
   };
+  
+  /*
+  sudo nano /etc/nix/nix.conf
+  trusted-users = {username}
+  */
+  
+  nixConfig = {
+    extra-substituters = "https://nix-cache.skynet.ie/skynet-cache";
+    extra-trusted-public-keys = "skynet-cache:OdfA4Or0JcHiHf05fsiIR4nZT2z2yDEtkoLqhntGAz4=";
+  };
 
   outputs = { self, nixpkgs, utils, naersk }: utils.lib.eachDefaultSystem (system: 
     let