diff --git a/hosts/pruflas/default.nix b/hosts/pruflas/default.nix
index edafc29..ff02f55 100644
--- a/hosts/pruflas/default.nix
+++ b/hosts/pruflas/default.nix
@@ -10,7 +10,11 @@ let
   };
 in
 {
-  nixpkgs.overlays = [ this.overlays.sudo ];
+  nix.binaryCachePublicKeys = [
+    "cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY="
+    "gorgon:eEE/PToceRh34UnnoFENERhk89dGw5yXOpJ2CUbfL/Q="
+  ];
+
 
   imports = [ this.profiles.base ];
 
diff --git a/modules/profiles/base/default.nix b/modules/profiles/base/default.nix
index f6c9e45..8d52b4f 100644
--- a/modules/profiles/base/default.nix
+++ b/modules/profiles/base/default.nix
@@ -1,6 +1,12 @@
 { config, pkgs, lib, ... }:
 with lib;
 {
+
+  nix.binaryCachePublicKeys = [
+    "cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY="
+    "gorgon:eEE/PToceRh34UnnoFENERhk89dGw5yXOpJ2CUbfL/Q="
+  ];
+
   nixpkgs.overlays = attrValues (import ../../../overlays);
 
   imports = import ../../module-list.nix;