diff --git a/pkgs/by-name/de/deno/package.nix b/pkgs/by-name/de/deno/package.nix
index 2554001f67c0..0831c455f627 100644
--- a/pkgs/by-name/de/deno/package.nix
+++ b/pkgs/by-name/de/deno/package.nix
@@ -223,8 +223,11 @@ rustPlatform.buildRustPackage (finalAttrs: {
     runHook postInstallCheck
   '';
 
-  passthru.updateScript = ./update/update.ts;
-  passthru.tests = callPackage ./tests { };
+  passthru = {
+    updateScript = ./update/update.ts;
+    tests = callPackage ./tests { };
+    inherit librusty_v8;
+  };
 
   meta = with lib; {
     homepage = "https://deno.land/";