diff --git a/hosts/nixos/configuration.nix b/hosts/nixos/configuration.nix
index a515279..531c95b 100644
--- a/hosts/nixos/configuration.nix
+++ b/hosts/nixos/configuration.nix
@@ -30,6 +30,19 @@
       # Prevent hanging builds
       max-silent-time = 3600;
       timeout = 1800;
+
+      # Package caches
+      substituters = [
+        "https://cache.nixos.org"
+        "https://nix-community.cachix.org"
+        "https://hyprland.cachix.org"
+      ];
+    
+      trusted-public-keys = [
+        "cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY="
+        "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
+        "hyprland.cachix.org-1:a7pgxzMz7+chwVL3/pzj6jIBMioiJM7ypFP8PwtkuGc="
+      ];
     };
   };