diff --git a/configuration.nix b/configuration.nix
index 6dc0e36..a9e6865 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -138,7 +138,18 @@
 
   nixpkgs.config.allowUnfree = true;
 
-  nix.settings.experimental-features = [ "nix-command" "flakes" ];
+  nix = {
+    settings = {
+      experimental-features = [ "nix-command" "flakes" ];
+      substitute = true;
+      substituters = [
+        "https://yazi.cachix.org"
+      ];
+      trusted-public-keys = [
+        "yazi.cachix.org-1:Dcdz63NZKfvUCbDGngQDAZq6kOroIrFoyO064uvLh8k="
+      ];
+    };
+  };
 
   programs.bash.shellInit = ''
     source $HOME/.nix-profile/etc/profile.d/hm-session-vars.sh