diff --git a/flake.nix b/flake.nix
index aa0b97a..d06ce01 100644
--- a/flake.nix
+++ b/flake.nix
@@ -1,6 +1,51 @@
 {
   description = "hand7s'es flake";
 
+  nixConfig = {
+    max-jobs = "auto";
+    builders = "";
+    require-sigs = true;
+    sandbox = true;
+    sandbox-fallback = false;
+    auto-optimise-store = true;
+
+    allowed-users = [
+      "@wheel"
+    ];
+
+    trusted-users = [
+      "root"
+      "@wheel"
+    ];
+
+    experimental-features = [
+      "nix-command"
+      "flakes"
+    ];
+
+    extra-substituters = [
+      "https://cache.nixos.org"
+      "https://cache.garnix.io"
+      "https://nix-community.cachix.org"
+      "https://chaotic-nyx.cachix.org"
+      "https://hyprland.cachix.org"
+      "https://devenv.cachix.org"
+      "https://hydra.nix-community.org"
+      "https://attic.xuyh0120.win/lantian"
+    ];
+
+    extra-trusted-public-keys = [
+      "cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY="
+      "cache.garnix.io:CTFPyKSLcx5RMJKfLo5EEPUObbA78b0YQ2DTCJXqr9g="
+      "devenv.cachix.org-1:w1cLUi8dv3hnoSPGAuibQv+f9TZLr6cv/Hm9XgU50cw="
+      "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
+      "chaotic-nyx.cachix.org-1:HfnXSw4pj95iI/n17rIDy40agHj12WfF+Gqk6SonIT8="
+      "hyprland.cachix.org-1:a7pgxzMz7+chwVL3/pzj6jIBMioiJM7ypFP8PwtkuGc="
+      "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
+      "lantian:EeAUQ+W+6r7EtwnmYjeVwx5kOGEBpjlBfPlzGlTNvHc="
+    ];
+  };
+
   inputs = {
     "agenix" = {
       flake = true;