diff --git a/common/default.nix b/common/default.nix
index f1cab42..8aaea04 100644
--- a/common/default.nix
+++ b/common/default.nix
@@ -6,4 +6,13 @@
   ...
 }: {
   nixpkgs.config.permittedInsecurePackages = ["electron-25.9.0" "electron-24.8.6"];
+  nix.settings = {
+    trusted-users = [ "xqtc" ];
+    substituters = [
+      "https://nix-community.cachix.org"
+    ];
+    trusted-public-keys = [
+      "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
+    ];
+  };
 }