diff --git a/pkgs/by-name/nc/ncps/package.nix b/pkgs/by-name/nc/ncps/package.nix
index 3b4ca8918f1f..4b44ae3ff073 100644
--- a/pkgs/by-name/nc/ncps/package.nix
+++ b/pkgs/by-name/nc/ncps/package.nix
@@ -13,6 +13,7 @@
   python3,
   redis,
   writeShellScriptBin,
+  nix-update-script,
 }:
 
 let
@@ -94,6 +95,10 @@ let
       source $src/nix/packages/ncps/pre-check-redis.sh
     '';
 
+    passthru = {
+      updateScript = nix-update-script { };
+    };
+
     meta = {
       description = "Nix binary cache proxy service";
       homepage = "https://github.com/kalbasit/ncps";