diff --git a/pkgs/by-name/un/unbound/package.nix b/pkgs/by-name/un/unbound/package.nix
index 2eed024d722e..f7ded6e19128 100644
--- a/pkgs/by-name/un/unbound/package.nix
+++ b/pkgs/by-name/un/unbound/package.nix
@@ -48,6 +48,8 @@
   withMakeWrapper ? !stdenv.hostPlatform.isMinGW,
   libnghttp2,
 
+  # for passthru.updateScript
+  nix-update-script,
   # for passthru.tests
   gnutls,
 }:
@@ -203,10 +205,17 @@ stdenv.mkDerivation (finalAttrs: {
       ) " --replace '-L${pkg.dev}/lib' '-L${pkg.out}/lib' --replace '-R${pkg.dev}/lib' '-R${pkg.out}/lib'"
     ) (builtins.filter (p: p != null) finalAttrs.buildInputs);
 
-  passthru.tests = {
-    inherit gnutls;
-    nixos-test = nixosTests.unbound;
-    nixos-test-exporter = nixosTests.prometheus-exporters.unbound;
+  passthru = {
+    updateScript = nix-update-script {
+      extraArgs = [
+        "--version-regex=release-(.+)"
+      ];
+    };
+    tests = {
+      inherit gnutls;
+      nixos-test = nixosTests.unbound;
+      nixos-test-exporter = nixosTests.prometheus-exporters.unbound;
+    };
   };
 
   meta = with lib; {