diff --git a/flake.nix b/flake.nix
index 69afb47..aa43f57 100644
--- a/flake.nix
+++ b/flake.nix
@@ -1,6 +1,12 @@
 {
   description = "motiejus/config";
 
+  nixConfig = {
+      trusted-substituters = "https://cache.nixos.org/";
+      trusted-public-keys = "cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY=";
+      extra-experimental-features = "nix-command flakes";
+  };
+
   inputs = {
     nixpkgs.url = "github:NixOS/nixpkgs/nixos-22.11-small";