diff --git a/redfin.nix b/redfin.nix
index 80a632b..f9e4e01 100644
--- a/redfin.nix
+++ b/redfin.nix
@@ -1,11 +1,20 @@
-{ pkgs, lib, ... }: {
+{ pkgs, lib, ... }: rec {
   device = "redfin";
   flavor = "grapheneos";
 
+  ccache.enable = false;
+  signing.enable = true;
+  signing.keyStorePath = "/home/cadey/code/cadey/robotnix-configs/keys";
+
   microg.enable = lib.mkDefault true;
 
   apps = {
     seedvault.enable = lib.mkDefault true;
     fdroid.enable = lib.mkDefault true;
+
+    updater = {
+      enable = true;
+      url = "https://pneuma.akua.xeserv.us/robotnix/${device}-${flavor}";
+    };
   };
 }