diff --git a/flake.nix b/flake.nix
index 366fef8..c60f6f4 100644
--- a/flake.nix
+++ b/flake.nix
@@ -1,6 +1,10 @@
 {
   description = "A highly structured configuration database.";
 
+  nixConfig.extra-experimental-features = "nix-command flakes ca-references";
+  nixConfig.extra-substituters = "https://nrdxp.cachix.org https://nix-community.cachix.org";
+  nixConfig.extra-trusted-public-keys = "nrdxp.cachix.org-1:Fc5PSqY2Jm1TrWfm88l6cvGWwz3s93c6IOifQWnhNW4= nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs=";
+
   inputs =
     {
       nixos.url = "nixpkgs/release-21.05";