diff --git a/flake.nix b/flake.nix
index f672acc..6bbb870 100644
--- a/flake.nix
+++ b/flake.nix
@@ -1,5 +1,8 @@
 {
-  description = "A very basic flake";
+  nixConfig = {
+    extra-substituters = [ "https://ai.cachix.org" ];
+    extra-trusted-public-keys = [ "ai.cachix.org-1:N9dzRK+alWwoKXQlnn0H6aUx0lU/mspIoz8hMvGvbbc=" ];
+  };
 
   inputs = {
     nixpkgs = {