diff --git a/hosts/main-laptop/configuration.nix b/hosts/main-laptop/configuration.nix
index b55e412..c99b110 100644
--- a/hosts/main-laptop/configuration.nix
+++ b/hosts/main-laptop/configuration.nix
@@ -19,6 +19,15 @@
 
   users.extraGroups.vboxusers.members = [ "fedfer" ];
 
+  nix.settings = {
+    substituters = [
+      "https://nix-community.cachix.org"
+    ];
+    trusted-public-keys = [
+      "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
+    ];
+  };
+
   stylix.enable = true;
   stylix.autoEnable = true;
   stylix = {