diff --git a/pkgs/applications/networking/cluster/cmctl/default.nix b/pkgs/applications/networking/cluster/cmctl/default.nix
index 82728cc1d2a2..f81a4bdce5f2 100644
--- a/pkgs/applications/networking/cluster/cmctl/default.nix
+++ b/pkgs/applications/networking/cluster/cmctl/default.nix
@@ -33,6 +33,8 @@ buildGoModule rec {
       --zsh <($out/bin/cmctl completion zsh)
   '';
 
+  passthru.updateScript = ./update.sh;
+
   meta = with lib; {
     description = "A CLI tool for managing cert-manager service on Kubernetes clusters";
     longDescription = ''