diff --git a/nix/hosts/doloro/nixos.nix b/nix/hosts/doloro/nixos.nix
index 082af35..2582260 100644
--- a/nix/hosts/doloro/nixos.nix
+++ b/nix/hosts/doloro/nixos.nix
@@ -37,6 +37,15 @@ in
   boot.loader.grub.efiInstallAsRemovable = true;
 
   nix.settings = {
+    substituters = [
+      "https://nix-community.cachix.org"
+      "https://cache.nixos.org/"
+      "https://attic.scug.io/pkgs"
+    ];
+    trusted-public-keys = [
+      "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
+      "pkgs:+sRbfiZMMX5R3PuAPtIRz/emowDoGZNpozibrnrAvuc="
+    ];
     experimental-features = [
       "flakes"
       "nix-command"